Statistics Collaborative - Design and analysis for biomedical research

PublicationsPublications

Lisa Weissfeld

  • Angus DC, Barnato AE, Bell D, Bellomo R, Chong CR, Coats TJ, Davies A, Delaney A, Harrison DA, Holdgate A, Howe B, Huang DT, Iwashyna T, Kellum JA, Peake SL, Pike F, Reade MC, Rowan KM, Singer M, Webb SA, Weissfeld LA, Yealy DM, Young JD. A systematic review and meta-analysis of early goal-directed therapy for septic shock: the ARISE, ProCESS and ProMISe Investigators. Intensive Care Med 2015; 41:1549-1560.
  • Argyropoulos C, Roumelioti ME, Sattar A, Kellum JA, Weissfeld L, Unruh ML. Dialyzer reuse and outcomes of high flux dialysis. PLoS One 2015; 10:e0129575.
  • Gildengers AG, Butters MA, Aizenstein HJ, Marron MM, Emanuel J, Anderson SJ, Weissfeld LA, Becker JT, Lopez OL, Mulsant BH, Reynolds CF, 3rd. Longer lithium exposure is associated with better white matter integrity in older adults with bipolar disorder. Bipolar Disord 2015; 17:248-256.
  • Gregg NM, Kim AE, Gurol ME, Lopez OL, Aizenstein HJ, Price JC, Mathis CA, James JA, Snitz BE, Cohen AD, Kamboh MI, Minhas D, Weissfeld LA, Tamburo EL, Klunk WE. Incidental cerebral microbleeds and cerebral blood flow in elderly individuals. JAMA Neurol 2015; 72:1021-1028.
  • Kahn JM, Barnato AE, Lave JR, Pike F, Weissfeld LA, Le TQ, Angus DC. A comparison of free-standing versus co-located long-term acute care hospitals. PLoS One 2015; 10:e0139742.
  • Snitz BE, Weissfeld LA, Cohen AD, Lopez OL, Nebes RD, Aizenstein HJ, McDade E, Price JC, Mathis CA, Klunk WE. Subjective cognitive complaints, personality and brain amyloid-beta in cognitively normal older adults. Am J Geriatr Psychiatry 2015; 23:985-993.
  • Yau WY, Tudorascu DL, McDade EM, Ikonomovic S, James JA, Minhas D, Mowrey W, Sheu LK, Snitz BE, Weissfeld L, Gianaros PJ, Aizenstein HJ, Price JC, Mathis CA, Lopez OL, Klunk WE. Longitudinal assessment of neuroimaging and clinical markers in autosomal dominant Alzheimer's disease: a prospective cohort study. Lancet Neurol 2015; 14:804-813.
  • Lim HK, Nebes R, Snitz B, Cohen A, Mathis C, Price J, Weissfeld L, Klunk W, Aizenstein HJ. Regional amyloid burden and intrinsic connectivity networks in cognitively normal elderly subjects. Brain 2014; 137:3327-3338.
  • Mourani PM, Kinsella JP, Clermont G, Kong L, Perkins AM, Weissfeld L, Cutter G, Linde-Zwirble WT, Abman SH, Angus DC, Watson RS. Intensive care unit readmission during childhood after preterm birth with respiratory failure. J Pediatr 2014; 164:749-755 e743.
  • Olson Hunt MJ, Weissfeld L, Boudreau RM, Aizenstein H, Newman AB, Simonsick EM, Van Domelen DR, Thomas F, Yaffe K, Rosano C. A variant of sparse partial least squares for variable selection and data exploration. Front Neuroinform 2014; 8:18.
  • Tate JA, Snitz BE, Alvarez KA, Nahin RL, Weissfeld LA, Lopez O, Angus DC, Shah F, Ives DG, Fitzpatrick AL, Williamson JD, Arnold AM, DeKosky ST, Yende S. Infection hospitalization increases risk of dementia in the elderly. Crit Care Med 2014; 42:1037-1046.
  • Yealy DM, Kellum JA, Huang DT, Barnato AE, Weissfeld LA, Pike F, Terndrup T, Wang HE, Hou PC, LoVecchio F, Filbin MR, Shapiro NI, Angus DC. A randomized trial of protocol-based care for early septic shock. N Engl J Med 2014; 370:1683-1693.
  • Yende S, Linde-Zwirble W, Mayr F, Weissfeld LA, Reis S, Angus DC. Risk of cardiovascular events in survivors of severe sepsis. Am J Respir Crit Care Med 2014; 189:1065-1074.
  • Cohen AD, Mowrey W, Weissfeld LA, Aizenstein HJ, McDade E, Mountz JM, Nebes RD, Saxton JA, Snitz B, Dekosky S, Williamson J, Lopez OL, Price JC, Mathis CA, Klunk WE. Classification of amyloid-positivity in controls: comparison of visual read and quantitative approaches. Neuroimage 2013; 71:207-215.
  • D'Angelo GM, Weissfeld LA. Application of copulas to improve covariance estimation for partial least squares. Stat Med 2013; 32:685-696.
  • Huang DT, Angus DC, Barnato A, Gunn SR, Kellum JA, Stapleton DK, Weissfeld LA, Yealy DM, Peake SL, Delaney A, Bellomo R, Cameron P, Higgins A, Holdgate A, Howe B, Webb SA, Williams P, Osborn TM, Mouncey PR, Harrison DA, Harvey SE, Rowan KM. Harmonizing international trials of early goal-directed resuscitation for severe sepsis and septic shock: methodology of ProCESS, ARISE, and ProMISe. Intensive Care Med 2013; 39:1760-1775.
  • Mathis CA, Kuller LH, Klunk WE, Snitz BE, Price JC, Weissfeld LA, Rosario BL, Lopresti BJ, Saxton JA, Aizenstein HJ, McDade EM, Kamboh MI, DeKosky ST, Lopez OL. In vivo assessment of amyloid-beta deposition in nondemented very elderly subjects. Ann Neurol 2013; 73:751-761.
  • Matos RI, Watson RS, Nadkarni VM, Huang HH, Berg RA, Meaney PA, Carroll CL, Berens RJ, Praestgaard A, Weissfeld L, Spinella PC. Duration of cardiopulmonary resuscitation and illness category impact survival and neurologic outcomes for in-hospital pediatric cardiac arrests. Circulation 2013; 127:442-451.
  • Matos MR, Watson RS, Nadkarni VM, Huang HH, Berg RA, Carroll CL, Berens RJ, Praestgaard A, Weissfeld L, Spinella PC. Response to letters regarding article, "Duration of cardiopulmonary resuscitation and illness category impact survival and neurologic outcomes for in-hospital pediatric cardiac arrests". Circulation 2013; 128:e102-103.
  • Nebes RD, Snitz BE, Cohen AD, Aizenstein HJ, Saxton JA, Halligan EM, Mathis CA, Price JC, Kamboh MI, Weissfeld LA, Klunk WE. Cognitive aging in persons with minimal amyloid-beta and white matter hyperintensities. Neuropsychologia 2013; 51:2202-2209.
  • Pike F, Weissfeld L. Joint modeling of censored longitudinal and event time data. Journal Applied Statistics 2013; 40:17-27.
  • Pike F, Yealy DM, Kellum JA, Huang DT, Barnato AE, Eaton TL, Angus DC, Weissfeld LA. Protocolized Care for Early Septic Shock (ProCESS) statistical analysis plan. Crit Care Resusc 2013; 15:301-310.
  • Seymour CW, Yende S, Scott MJ, Pribis J, Mohney RP, Bell LN, Chen YF, Zuckerbraun BS, Bigbee WL, Yealy DM, Weissfeld L, Kellum JA, Angus DC. Metabolomics in pneumonia and sepsis: an analysis of the GenIMS cohort study. Intensive Care Med 2013; 39:1423-1434.
  • Snitz BE, Weissfeld LA, Lopez OL, Kuller LH, Saxton J, Singhabahu DM, Klunk WE, Mathis CA, Price JC, Ives DG, Cohen AD, McDade E, Dekosky ST. Cognitive trajectories associated with beta-amyloid deposition in the oldest-old without dementia. Neurology 2013; 80:1378-1384.
  • Yende S, Alvarez K, Loehr L, Folsom AR, Newman AB, Weissfeld LA, Wunderink RG, Kritchevsky SB, Mukamal KJ, London SJ, Harris TB, Bauer DC, Angus DC. Epidemiology and long-term clinical and biologic risk factors for pneumonia in community-dwelling older Americans: analysis of three cohorts. Chest 2013; 144:1008-1017.
  • Bi W, Tseng C, Weissfeld LA. Enhancements of sparse clustering with resampling. ENAR 2012.
  • Castro RA, Angus DC, Hong SY, Lee C, Weissfeld LA, Clermont G, Rosengart MR. Light and the outcome of the critically ill: an observational cohort study. Crit Care 2012; 16:R132.
  • Lee M, Kong L, Weissfeld L. Multiple imputation for left-censored biomarker data based on Gibbs sampling method. Stat Med 2012; 31:1838-1848.
  • Liu T, Liang KV, Rosenbaum A, Stephenson R, Pike F, Weissfeld L, Unruh ML. Peripheral vascular disease severity impacts health outcomes and health-related quality of life in maintenance hemodialysis patients in the HEMO Study. Nephrol Dial Transplant 2012; 27:2929-2936.
  • Majesko A, Hong SY, Weissfeld L, White DB. Identifying family members who may struggle in the role of surrogate decision maker. Crit Care Med 2012; 40:2281-2286.
  • Murugan R, Weissfeld L, Yende S, Singbartl K, Angus DC, Kellum JA. Association of statin use with risk and outcome of acute kidney injury in community-acquired pneumonia. Clin J Am Soc Nephrol 2012; 7:895-905.
  • Sattar A, Argyropoulos C, Weissfeld L, Younas N, Fried L, Kellum JA, Unruh M. All-cause and cause-specific mortality associated with diabetes in prevalent hemodialysis patients. BMC Nephrol 2012; 13:130.
  • White DB, Cua SM, Walk R, Pollice L, Weissfeld L, Hong S, Landefeld CS, Arnold RM. Nurse-led intervention to improve surrogate decision making for patients with advanced critical illness. Am J Crit Care 2012; 21:396-409.
  • Zier LS, Sottile PD, Hong SY, Weissfeld LA, White DB. Surrogate decision makers’ interpretation of prognostic information: a mixed-methods study. Ann Intern Med 2012; 156:360-366.
  • Clermont G, Kong L, Weissfeld LA, Lave JR, Rubenfeld GD, Roberts MS, Connors AF, Jr., Bernard GR, Thompson BT, Wheeler AP, Angus DC. The effect of pulmonary artery catheter use on costs and long-term outcomes of acute lung injury. PLoS One 2011; 6:e22512.
  • Jhamb M, Pike F, Ramer S, Argyropoulos C, Steel J, Dew MA, Weisbord SD, Weissfeld L, Unruh M. Impact of fatigue on outcomes in the hemodialysis (HEMO) study. Am J Nephrol 2011; 33:515-523.
  • Johnson SK, Bautista CA, Hong SY, Weissfeld L, White DB. An empirical study of surrogates' preferred level of control over value-laden life support decisions in intensive care units. Am J Respir Crit Care Med 2011; 183:915-921.
  • Liang KV, Pike F, Argyropoulos C, Weissfeld L, Teuteberg J, Dew MA, Unruh ML. Heart failure severity scoring system and medical- and health-related quality-of-life outcomes: the HEMO study. Am J Kidney Dis 2011; 58:84-92.
  • Nguyen YL, Milbrandt EB, Weissfeld LA, Kahn JM, Chiche JD, Aegerter P, Clermont G, Kellum JA, Guidet B, Angus DC. Intensive care unit renal support therapy volume is not associated with patient outcome. Crit Care Med 2011; 39:2470-2477.
  • Rosario BL, Weissfeld LA, Laymon CM, Mathis CA, Klunk WE, Berginc MD, James JA, Hoge JA, Price JC. Inter-rater reliability of manual and automated region-of-interest delineation for PiB PET. Neuroimage 2011; 55:933-941.
  • Sattar A, Weissfeld LA, Molenberghs G. Analysis of non-ignorable missing and left-censored longitudinal data using a weighted random effects tobit model. Stat Med 2011; 30:3167-3180.
  • Yende S, D'Angelo G, Mayr F, Kellum JA, Weissfeld L, Kaynar AM, Young T, Irani K, Angus DC. Elevated hemostasis markers after pneumonia increases one-year risk of all-cause and cardiovascular deaths. PLoS One 2011; 6:e22847.
  • Yende S, Milbrandt EB, Kellum JA, Kong L, Delude RL, Weissfeld LA, Angus DC. Understanding the potential role of statins in pneumonia and sepsis. Crit Care Med 2011; 39:1871-1878.
  • Zhong S, Nukui T, Buch S, Diergaarde B, Weissfeld LA, Grandis J, Romkes M, Weissfeld JL. Effects of ERCC2 Lys751Gln (A35931C) and CCND1 (G870A) polymorphism on outcome of advanced-stage squamous cell carcinoma of the head and neck are treatment dependent. Cancer Epidemiol Biomarkers Prev 2011; 20:2429-2437.
  • Bretz WA, Rosa OP, Silva SM, Corby P, Weissfeld L, Loesche WJ. Issues of recruitment and rationale for conducting clinical trials on mutans streptococci suppression in mothers. Int J Dent 2010; 2010:
  • Huang DT, Clermont G, Kong L, Weissfeld LA, Sexton JB, Rowan KM, Angus DC. Intensive care unit safety culture and outcomes: a US multicenter study. Int J Qual Health Care 2010; 22:151-161.
  • Mayr FB, Yende S, D'Angelo G, Barnato AE, Kellum JA, Weissfeld L, Yealy DM, Reade MC, Milbrandt EB, Angus DC. Do hospitals provide lower quality of care to black patients for pneumonia? Crit Care Med 2010; 38:759-765.
  • Mayr FB, Yende S, Linde-Zwirble WT, Peck-Palmer OM, Barnato AE, Weissfeld LA, Angus DC. Infection rate and acute organ dysfunction risk as explanations for racial differences in severe sepsis. JAMA 2010; 303:2495-2503.
  • Reade MC, Weissfeld L, Angus DC, Kellum JA, Milbrandt EB. The prevalence of anemia and its association with 90-day mortality in hospitalized community-acquired pneumonia. BMC Pulm Med 2010; 10:15.
  • Visweswaran S, Angus DC, Hsieh M, Weissfeld L, Yealy D, Cooper GF. Learning patient-specific predictive models from clinical data. J Biomed Inform 2010; 43:669-685.
  • Cohen AD, Price JC, Weissfeld LA, James J, Rosario BL, Bi W, Nebes RD, Saxton JA, Snitz BE, Aizenstein HA, Wolk DA, Dekosky ST, Mathis CA, Klunk WE. Basal cerebral metabolism may modulate the cognitive effects of Abeta in mild cognitive impairment: an example of brain reserve. J Neurosci 2009; 29:14770-14778.
  • Huang DT, Angus DC, Kellum JA, Pugh NA, Weissfeld LA, Struck J, Delude RL, Rosengart MR, Yealy DM. Midregional proadrenomedullin as a prognostic tool in community-acquired pneumonia. Chest 2009; 136:823-831.
  • McNamee RL, Yee SH, Price JC, Klunk WE, Rosario B, Weissfeld L, Ziolko S, Berginc M, Lopresti B, Dekosky S, Mathis CA. Consideration of optimal time window for Pittsburgh compound B PET summed uptake measurements. J Nucl Med 2009; 50:348-355.
  • Qin L, Weissfeld LA, Shen C, Levine MD. A Two-Latent-Class Model for Smoking Cessation Data with Informative Dropouts. Commun Stat Theory Methods 2009; 38:2604-2619.
  • Reade MC, Yende S, D'Angelo G, Kong L, Kellum JA, Barnato AE, Milbrandt EB, Dooley C, Mayr FB, Weissfeld L, Angus DC. Differences in immune response may explain lower survival among older men with pneumonia. Crit Care Med 2009; 37:1655-1662.
  • Wolk DA, Price JC, Saxton JA, Snitz BE, James JA, Lopez OL, Aizenstein HJ, Cohen AD, Weissfeld LA, Mathis CA, Klunk WE, De-Kosky ST. Amyloid imaging in mild cognitive impairment subtypes. Ann Neurol 2009; 65:557-568.
  • Yende S, Angus DC, Kong L, Kellum JA, Weissfeld L, Ferrell R, Finegold D, Carter M, Leng L, Peng ZY, Bucala R. The influence of macrophage migration inhibitory factor gene polymorphisms on outcome from community-acquired pneumonia. FASEB J 2009; 23:2403-2411.
  • Block HW, Weissfeld L. Sam Wieand at the University of Pittsburgh. Lifetime Data Anal 2008; 14:9-12.
  • D'Angelo G, Weissfeld L. An index approach for the Cox model with left censored covariates. Stat Med 2008; 27:4502-4514.
  • Ghebregiorgis G, Weissfeld L. Use of a pseudo maximum likelihood estimator to simplify computations for a multivariate left-censored longitudinal model.  ENAR 2008.
  • Hartman M, Watson RS, Linde-Zwirble W, Clermont G, Lave J, Weissfeld L, Kochanek P, Angus D. Pediatric traumatic brain injury is inconsistently regionalized in the United States. Pediatrics 2008; 122:e172-180.
  • Huang DT, Weissfeld LA, Kellum JA, Yealy DM, Kong L, Martino M, Angus DC. Risk prediction with procalcitonin and clinical rules in community-acquired pneumonia. Ann Emerg Med 2008; 52:48-58 e42.
  • Rosario BL, Ziolko SK, Weissfeld LA, Price JC. Assessment of parameter settings for SPM5 spatial normalization of structural MRI data: application to type 2 diabetes. Neuroimage 2008; 41:363-370.
  • Tudorascu D, Weissfeld L.  Correlation coefficient from data with missing covariates:  method comparison.  ENAR 2008.
  • Yende S, D'Angelo G, Kellum JA, Weissfeld L, Fine J, Welch RD, Kong L, Carter M, Angus DC. Inflammatory markers at hospital discharge predict subsequent mortality after pneumonia and sepsis. Am J Respir Crit Care Med 2008; 177:1242-1247.
  • Angus DC, Yang L, Kong L, Kellum JA, Delude RL, Tracey KJ, Weissfeld L. Circulating high-mobility group box 1 (HMGB1) concentrations are elevated in both uncomplicated pneumonia and pneumonia with severe sepsis. Crit Care Med 2007; 35:1061-1067.
  • Berhane Z, Weissfeld L, Chung CC.  Pseudospline-based flexible modeling of survival data.  Joint Statistical Meetings 2007.
  • D’Angelo GM, Feingold E, Weissfeld L.  A copula approach to missing data.  ENAR 2007.
  • D'Angelo G, Weissfeld L. Covariates missing by design: comparison of the efficient score to other weighted methods. Stat Med 2007; 26:2137-2153.
  • Ghebregiorgis GS, Weissfeld L.  Analysis of longitudinally measured multivariate biomarkers and left censored data.  Joint Statistical Meetings 2007.
  • Huang DT, Clermont G, Sexton JB, Karlo CA, Miller RG, Weissfeld LA, Rowan KM, Angus DC. Perceptions of safety culture vary across the intensive care units of a single institution. Crit Care Med 2007; 35:165-176.
  • Kalarchian MA, Marcus MD, Levine MD, Courcoulas AP, Pilkonis PA, Ringham RM, Soulakova JN, Weissfeld LA, Rofey DL. Psychiatric disorders among bariatric surgery candidates: relationship to obesity and functional health status. Am J Psychiatry 2007; 164:328-334; quiz 374.
  • Kellum JA, Kong L, Fink MP, Weissfeld LA, Yealy DM, Pinsky MR, Fine J, Krichevsky A, Delude RL, Angus DC. Understanding the inflammatory cytokine response in pneumonia and sepsis: results of the Genetic and Inflammatory Markers of Sepsis (GenIMS) Study. Arch Intern Med 2007; 167:1655-1663.
  • Levine MD, Klem ML, Kalarchian MA, Wing RR, Weissfeld L, Qin L, Marcus MD. Weight gain prevention among women. Obesity (Silver Spring) 2007; 15:1267-1277.
  • Sattar A, Weissfeld L.  Analysis of longitudinally measured left-censored biomarkers of severe sepsis with dropout and death.  Joint Statistical Meetings 2007.
  • Van Pelt DC, Milbrandt EB, Qin L, Weissfeld LA, Rotondi AJ, Schulz R, Chelluri L, Angus DC, Pinsky MR. Informal caregiver burden among survivors of prolonged mechanical ventilation. Am J Respir Crit Care Med 2007; 175:167-173.
  • Wald ER, Ewing LJ, Cluss P, Goldstrohm S, Cipriani L, Colborn DK, Weissfeld L. Parental perception of children's weight in a paediatric primary care setting. Child Care Health Dev 2007; 33:738-743.
  • Barnato AE, Berhane Z, Weissfeld LA, Chang CC, Linde-Zwirble WT, Angus DC. Racial variation in end-of-life intensive care use: a race or hospital effect? Health Serv Res 2006; 41:2219-2237.
  • D’Angelo G, Weissfeld L.  Semiparametric survival models with censored covariates.  ENAR 2006.
  • Levine MD, Marcus MD, Kalarchian MA, Weissfeld L, Qin L. Weight concerns affect motivation to remain abstinent from smoking postpartum. Ann Behav Med 2006; 32:147-153.
  • Nelson JE, Angus DC, Weissfeld LA, Puntillo KA, Danis M, Deal D, Levy MM, Cook DJ. End-of-life care for the critically ill: A national intensive care unit survey. Crit Care Med 2006; 34:2547-2553.
  • Qin L, Weissfeld L, Kalarchian M, Marcus M.  An extension of latent variable modeling for informative intermittent missing data. ENAR 2006.
  • Shen C, Weissfeld L. A copula model for repeated measurements with non-ignorable non-monotone missing outcome. Stat Med 2006; 25:2427-2440.
  • Ziolko SK, Weissfeld LA, Klunk WE, Mathis CA, Hoge JA, Lopresti BJ, DeKosky ST, Price JC. Evaluation of voxel-based methods for the statistical analysis of PIB PET amyloid imaging studies in Alzheimer's disease. Neuroimage 2006; 33:94-102.
  • Bailer UF, Frank GK, Henry SE, Price JC, Meltzer CC, Weissfeld L, Mathis CA, Drevets WC, Wagner A, Hoge J, Ziolko SK, McConaha CW, Kaye WH. Altered brain serotonin 5-HT1A receptor binding after recovery from anorexia nervosa measured by positron emission tomography and [carbonyl11C]WAY-100635. Arch Gen Psychiatry 2005; 62:1032-1041.
  • Bretz WA, Weyant RJ, Corby PM, Ren D, Weissfeld L, Kritchevsky SB, Harris T, Kurella M, Satterfield S, Visser M, Newman AB. Systemic inflammatory markers, periodontal diseases, and periodontal infections in an elderly population. J Am Geriatr Soc 2005; 53:1532-1537.
  • Chang CC, Berhane Z, Weissfeld L.  Prediction of survival for patients awaiting liver transplantation.  Joint Statistical Meetings 2005.
  • D’Angelo G, Weissfeld L.  Semiparametric survival models with censored covariates.  Joint Statistical Meetings 2005.
  • Frank GK, Bailer UF, Henry SE, Drevets W, Meltzer CC, Price JC, Mathis CA, Wagner A, Hoge J, Ziolko S, Barbarich-Marsteller N, Weissfeld L, Kaye WH. Increased dopamine D2/D3 receptor binding after recovery from anorexia nervosa measured by positron emission tomography and [11c]raclopride. Biol Psychiatry 2005; 58:908-912.
  • Kalarchian MA, Marcus MD, Levine MD, Haas GL, Greeno CG, Weissfeld LA, Qin L. Behavioral treatment of obesity in patients taking antipsychotic medications. J Clin Psychiatry 2005; 66:1058-1063.
  • Milbrandt EB, Kersten A, Kong L, Weissfeld LA, Clermont G, Fink MP, Angus DC. Haloperidol use is associated with lower hospital mortality in mechanically ventilated patients. Crit Care Med 2005; 33:226-229; discussion 263-225.
  • Shen C, Weissfeld L. Application of pattern-mixture models to outcomes that are potentially missing not at random using pseudo maximum likelihood estimation. Biostatistics 2005; 6:333-347.
  • Simkin-Silverman LR, Gleason KA, King WC, Weissfeld LA, Buhari A, Boraz MA, Wing RR. Predictors of weight control advice in primary care practices: patient health and psychosocial characteristics. Prev Med 2005; 40:71-82.
  • Weissfeld LA. Multiple Endpoints in Clinical Trials. Encyclopedia of Biostatistics. John Wiley & Sons, Ltd, 2005.
  • Angus DC, Barnato AE, Linde-Zwirble WT, Weissfeld LA, Watson RS, Rickert T, Rubenfeld GD. Use of intensive care at the end of life in the United States: an epidemiologic study. Crit Care Med 2004; 32:638-643.
  • Angus DC, Laterre PF, Helterbrand J, Ely EW, Ball DE, Garg R, Weissfeld LA, Bernard GR. The effect of drotrecogin alfa (activated) on long-term survival after severe sepsis. Crit Care Med 2004; 32:2199-2206.
  • Bailer UF, Price JC, Meltzer CC, Mathis CA, Frank GK, Weissfeld L, McConaha CW, Henry SE, Brooks-Achenbach S, Barbarich NC, Kaye WH. Altered 5-HT(2A) receptor binding after recovery from bulimia-type anorexia nervosa: relationships to harm avoidance and drive for thinness. Neuropsychopharmacology 2004; 29:1143-1155.
  • Berhane Z, Weissfeld, L.  Modeling of recurrent event survival data based on extensions of the Andersen-Gill model.  ENAR 2004.
  • D’Angelo G, Weissfeld, L.  Estimation of parameters for binary outcome data in the presence of missing covariate information.  ENAR 2004.
  • He J, Varma A, Weissfeld LA, Devaskar SU. Postnatal glucocorticoid exposure alters the adult phenotype. Am J Physiol Regul Integr Comp Physiol 2004; 287:R198-208.
  • Kasal J, Jovanovic Z, Clermont G, Weissfeld LA, Kaplan V, Watson RS, Angus DC. Comparison of Cox and Gray's survival models in severe sepsis. Crit Care Med 2004; 32:700-707.
  • Kong L, Milbrandt EB, Weissfeld LA. Advances in statistical methodology and their application in critical care. Curr Opin Crit Care 2004; 10:391-394.
  • Lang W, Weissfeld L, D’Agostino, RB. Joint modeling of adherence and repeated measures.  ENAR 2004
  • Meltzer CC, Price JC, Mathis CA, Butters MA, Ziolko SK, Moses-Kolko E, Mazumdar S, Mulsant BH, Houck PR, Lopresti BJ, Weissfeld LA, Reynolds CF. Serotonin 1A receptor binding and treatment response in late-life depression. Neuropsychopharmacology 2004; 29:2258-2265.
  • Roberts MS, Angus DC, Bryce CL, Valenta Z, Weissfeld L. Survival after liver transplantation in the United States: a disease-specific analysis of the UNOS database. Liver Transpl 2004; 10:886-897.
  • Sass DA, Schoen RE, Weissfeld JL, Weissfeld L, Thaete FL, Kuller LH, McAdams M, Lanza E, Schatzkin A. Relationship of visceral adipose tissue to recurrence of adenomatous polyps. Am J Gastroenterol 2004; 99:687-693.
  • Varma A, He J, Shin BC, Weissfeld LA, Devaskar SU. Postnatal intracerebroventricular exposure to leptin causes an altered adult female phenotype. Am J Physiol Endocrinol Metab 2004; 287:E1132-1141.
  • Weyant RJ, Newman AB, Kritchevsky SB, Bretz WA, Corby PM, Ren D, Weissfeld L, Rubin SM, Harris T. Periodontal disease and weight loss in older adults. J Am Geriatr Soc 2004; 52:547-553.
  • Valenta Z, Weissfeld L.  Estimation of the survival function for Gray’s piecewise-constant time-varying coefficients model. ENAR 2001.
  • Berhane K, Weissfeld LA. Inference in spline-based models for multiple time-to-event data, with applications to a breast cancer prevention trial. Biometrics 2003; 59:859-868.
  • Mazumdar S, Berhane Z, Weissfeld L, Begley A, Dew MA, Houck PR, Reynolds CF. Survival models with time-varying coefficients: a flexible approach to the analysis of psychiatric survival data. Psychopharmacol Bull 2002; 36:84-91.
  • Valenta Z, Weissfeld L. Estimation of the survival function for Gray's piecewise-constant time-varying coefficients model. Stat Med 2002; 21:717-727.
  • Rajakumar A, Whitelock KA, Weissfeld LA, Daftary AR, Markovic N, Conrad KP. Selective overexpression of the hypoxia-inducible transcription factor, HIF-2alpha, in placentas from women with preeclampsia. Biol Reprod 2001; 64:499-506.
  • Hubel CA, Snaedal S, Ness RB, Weissfeld LA, Geirsson RT, Roberts JM, Arngrimsson R. Dyslipoproteinaemia in postmenopausal women with a history of eclampsia. BJOG 2000; 107:776-784.
  • Chang CC, Weissfeld LA. Normal approximation diagnostics for the Cox model. Biometrics 1999; 55:1114-1119.
  • Khan JY, Rajakumar RA, Devaskar UP, Weissfeld LA, Devaskar SU. Effect of primary congenital hypothyroidism upon expression of genes mediating murine brain glucose uptake. Pediatr Res 1999; 45:718-725.
  • Song KK, Weissfeld LA. Performance of nonparametric maximum likelihood estimates in a length biased sample. Commun Stat Simulat 1999; 28:637-656.
  • Chang CC, Weissfeld LA. Recursive martingale residuals for Cox's proportional Hazards model. ASA, Proceedings of the Biometrics Section 1998; 141-146.
  • Ho J, Weissfeld LA. Improved Martingale residuals for Cox’s proportional hazards model. ENAR 1998.
  • Hubel CA, Lyall F, Weissfeld L, Gandley RE, Roberts JM. Small low-density lipoproteins and vascular cell adhesion molecule-1 are increased in association with hyperlipidemia in preeclampsia. Metabolism 1998; 47:1281-1288.
  • Lee E, Weissfeld LA. Assessment of covariate effects in Aalen's additive hazard model. Stat Med 1998; 17:983-998.
  • Sankey SS, Weissfeld LA. A study of the effect of dichotomizing ordinal data upon modeling. Commun Stat Simulat 1998; 27:871-888.
  • Siegfried JM, Weissfeld LA, Luketich JD, Weyant RJ, Gubish CT, Landreneau RJ. The clinical significance of hepatocyte growth factor for non-small cell lung cancer. Ann Thorac Surg 1998; 66:1915-1918.
  • Fine MJ, Auble TE, Yealy DM, Hanusa BH, Weissfeld LA, Singer DE, Coley CM, Marrie TJ, Kapoor WN. A prediction rule to identify low-risk patients with community-acquired pneumonia. N Engl J Med 1997; 336:243-250.
  • Phelps A, Weissfeld LA. A comparison of dependence estimators in bivariate copula models. Commun Stat Simulat 1997; 26:1583-1598.
  • Siegfried JM, Weissfeld LA, Singh-Kaw P, Weyant RJ, Testa JR, Landreneau RJ. Association of immunoreactive hepatocyte growth factor with poor survival in resectable non-small cell lung cancer. Cancer Res 1997; 57:433-439.
  • Fine MJ, Smith MA, Carson CA, Mutha SS, Sankey SS, Weissfeld LA, Kapoor WN. Prognosis and outcomes of patients with community-acquired pneumonia. A meta-analysis. JAMA 1996; 275:134-141.
  • Lave JR, Fine MJ, Sankey SS, Hanusa BH, Weissfeld LA, Kapoor WN. Hospitalized pneumonia. Outcomes, treatment patterns, and costs in urban and rural areas. J Gen Intern Med 1996; 11:415-421.
  • Lee KY, Weissfeld LA. A collinearity diagnostic for the Cox proportional hazards model with time dependent covariates. Commun Stat Simulat 1996; 25:41-59.
  • Sankey SS, Weissfeld LA, Fine MJ, Kapoor WN. An assessment of the continuity correction for sparse data in meta-analysis. Commun Stat Simulat 1996; 25:1031-1056.
  • Dignam JJ, Weissfeld LA, Anderson SJ. Bounds on survival curves under competing risks. Stat Med 1995; 14:1985-1998.
  • Fine MJ, Hanusa BH, Lave JR, Singer DE, Stone RA, Weissfeld LA, Coley CM,Marrie TJ, Kapoor WN. Comparison of a disease-specific and a generic severity of illness measure for patients with community-acquired pneumonia. J Gen Intern Med 1995; 10:359-368.
  • Moulton L, St. Laurent R, Weissfeld L. Bartlett correction of binomial regression analyses of small samples. SAS Users Group 1995; 1235-1239.
  • Stewart CJ, Blaha AJ, Weissfeld L, Yuan W. Discharge planning from home health care and patient status post-discharge. Public Health Nurs 1995; 12:90-98.
  • Carman WJ, Sowers M, Hawthorne VM, Weissfeld LA. Obesity as a risk factor for osteoarthritis of the hand and wrist: a prospective study. Am J Epidemiol 1994; 139:119-129.
  • Carson CA, Fine MJ, Smith MA, Weissfeld LA, Huber JT, Kapoor WN. Quality of published reports of the prognosis of community-acquired pneumonia. J Gen Intern Med 1994; 9:13-19.
  • Fine MJ, Smith MA, Carson CA, Meffe F, Sankey SS, Weissfeld LA, Detsky AS, Kapoor WN. Efficacy of pneumococcal vaccination in adults. A meta-analysis of randomized controlled trials. Arch Intern Med 1994; 154:2666-2677.
  • Weissfeld LA, Schneider H. Residual analysis for parametric models fit to censored data. Commun Stat Theory Methods 1994; 23:2283-2298.
  • Moulton L, St. Laurent RT, Weissfeld LA. The use of Bartlett correction factors in logistic regression models. Comput Stat Data An 1993; 15:1-11.
  • Schneider H, Kasperski W, Weissfeld LA. Finding significant effects for unreplicated fractional factorials. Journal of Quality Technology 1993; 25:18-27.
  • Mackey T, Sereika SM, Weissfeld LA, Hacker SS, Zender JF, Heard SL. Factors associated with long-term depressive symptoms of sexual assault victims. Arch Psychiatr Nurs 1992; 6:10-25.
  • McMahon LF, Jr., Hayward RA, Bernard AM, Rosevear JS, Weissfeld LA. APACHE-L: a new severity of illness adjuster for inpatient medical care. Med Care 1992; 30:445-452.
  • Weissfeld LA, Kshirsagar A. A modified growth curve model and its application to clinical studies. Aust J Stat 1992; 34:161-168.
  • Harris RB, Weissfeld LA. Gender differences in the reliability of reporting symptoms of angina pectoris. J Clin Epidemiol 1991; 44:1071-1078.
  • Leidy NK, Weissfeld LA. Sample sizes and power computation for clinical intervention trials. West J Nurs Res 1991; 13:138-144.
  • Mackey TF, Hacker SS, Weissfeld LA, Ambrose NC, Fisher MG, Zobel DL. Comparative effects of sexual assault on sexual functioning of child sexual abuse survivors and others. Issues Ment Health Nurs 1991; 12:89-112.
  • Olson J, Weissfeld LA. Approximation of certain multivariate integrals. Stat Probabil Lett 1991; 11:309-317.
  • Sowers M, Zobel D, Weissfeld L, Hawthorne VM, Carman W. Progression of osteoarthritis of the hand and metacarpal bone loss. A twenty-year followup of incident cases. Arthritis Rheum 1991; 34:36-42.
  • Weissfeld LA, Sereika S. A multicollinearity diagnostic for discrete response models. Commun Stat Theory Methods 1991; 20:1183-1198.
  • Weissfeld LA, St. Laurent RT, Moulton LH. Confidence intervals for the comparison of two Poisson distributions. Commun Stat Theory Methods 1991; 20:3071-3081.
  • Harburg E, Gleiberman L, DiFranceisco W, Schork A, Weissfeld L. Familial transmission of alcohol use, III. Impact of imitation/non-imitation of parent alcohol use (1960) on the sensible/problem drinking of their offspring (1977). Br J Addict 1990; 85:1141-1155.
  • Janz NK, Becker MH, Haefner DP, Rutt WM, Weissfeld LA. Determinants of breast self-examination after a benign biopsy. Am J Prev Med 1990; 6:84-92.
  • Weissfeld JL, Weissfeld LA, Holloway JJ, Bernard AM. A mathematical representation of the expert panel's guidelines for high blood cholesterol case-finding and treatment. Med Decis Making 1990; 10:135-146.
  • Weissfeld LA. Influence diagnostics for the proportional hazards model. Stat Probabil Lett 1990; 10:411-417.
  • Weissfeld LA, Schneider H. Influence diagnostics for the normal linear model with censored data. Aust J Stat 1990; 32:11-20.
  • Weissfeld LA, Schneider H. Influence diagnostics for the Weibull model fit to censored data. Stat Probabil Lett 1990; 9:67-73.
  • Schneider H, Weissfeld LA. Interval estimation based on censored samples for the Weibull distribution. Journal of Quality Technology 1989; 21:179-186.
  • Schneider H, Weissfeld LA. Interval estimation for accelerated life tests based on the lognormal model. Journal of Quality Technology 1989; 21:24-31.
  • Wei LJ, Lin DY, Weissfeld LA. Regression analysis of multivariate incomplete failure time data by modeling marginal distributions. J Am Statist Assoc 1989; 84:1065-1073.
  • Weissfeld LA. A multicollinearity diagnostic for models fit to censored data. Commun Stat 1989; 18:2073-2085.
  • Whall AL, Booth DE, Kosinski J, Donbroski D, Zakul-Krupa I, Weissfeld LA. Tardive dyskinetic movements over time. Appl Nurs Res 1989; 2:128-134.
  • Dawkins C, Ervin N, Weissfeld L, Yan A. Health orientation, beliefs, and use of health services among minority, high-risk expectant mothers. Public Health Nurs 1988; 5:7-11.
  • McMahon LF, Jr., Shapiro LR, Weissfeld LA, Billi JE. Prior hospitalization experience of DRG outliers versus inliers. Med Care 1988; 26:423-429.
  • Weissfeld LA, Butler PM. Use of regression diagnostics in nursing studies. Nurs Res 1988; 37:119-122.
  • Weissfeld LA, Schneider H. Inferences based on the Buckley-James procedure. Commun Stat Theory Methods 1987; 16:1773-1788.
  • Wilcosky T, Harris R, Weissfeld L. The prevalence and correlates of Rose Questionnaire angina among women and men in the Lipid Research Clinics Program Prevalence Study population. Am J Epidemiol 1987; 125:400-409.
  • Gordon DJ, Ekelund LG, Karon JM, Probstfield JL, Rubenstein C, Sheffield LT, Weissfeld L. Predictive value of the exercise tolerance test for mortality in NorthAmerican men: the Lipid Research Clinics Mortality Follow-up Study. Circulation 1986; 74:252-261.
  • Pomrehn P, Duncan B, Weissfeld L, Wallace RB, Barnes R, Heiss G, Ekelund LG, Criqui MH, Johnson N, Chambless LE. The association of dyslipoproteinemia with symptoms and signs of peripheral arterial disease. The Lipid Research Clinics Program Prevalence Study. Circulation 1986; 73:I100-107.
  • Schneider H, Weissfeld LA. Estimation in linear models with censored data. Biometrika 1986; 73:741-745.
  • Schneider H, Weissfeld L. Inference based on type II censored samples. Biometrics 1986; 42:531-536.
  • Segal P, Insull W, Jr., Chambless LE, Stinnett S, LaRosa JC, Weissfeld L, Halfon S, Kwiterovitch PO, Jr., Little JA. The association of dyslipoproteinemia with corneal arcus and xanthelasma. The Lipid Research Clinics Program Prevalence Study. Circulation 1986; 73:I108-118.
  • Holme I, Solberg LA, Weissfeld L, Helgeland A, Hjermann I, Leren P, Strong JP, Williams OD. Coronary risk factors and their pathway of action through coronary raised lesions, coronary stenoses and coronary death. Multivariate statistical analysis of an autopsy series: the Oslo Study. Am J Cardiol 1985; 55:40-47.
  • Weissfeld LA, Wieand HS. Bounds on efficiencies for some two-sample nonparametric statistics. Commun Stat Theory Methods 1984; 13:1741-1757.