J. Richard Landis, Ph.D.

J. Richard Landis is Professor of Biostatistics at the University of Pennsylvania Perelman School of Medicine (http://www.cceb.med.upenn.edu/faculty/index.php?id=18), and holds a secondary appointment as Professor of Statistics in the Wharton School. Dr. Landis serves as Director of the Biostatistics Unit within the CCEB, and Co-Director of the CRCU, a designated core research facility providing clinical research informatics (CRI) collaboration and project services for a growing number of clinical and translational research investigators at Penn. Prior to assuming his current position at the University of Pennsylvania in 1997, Dr. Landis was Professor of Biostatistics at the University of Michigan School of Public Health, where he served on the faculty for thirteen years (1975-1988). In 1988, he founded the Center for Biostatistics and Epidemiology at the M.S. Hershey Medical Center of the Pennsylvania State University and served as its Director for nine years before his relocation to Penn.

Dr. Landis is PI of the Data Coordinating Core for the Multidisciplinary Approach to Pelvic Pain (MAPP) Research Network (2008-13) (http://www.mappnetwork.org/) and serves as Co-PI for the NIDDK’s adult Chronic Renal Insufficiency Cohort (CRIC) Research Network (http://www.cceb.med.upenn.edu/cric). In addition, Dr. Landis serves as Co-Director for the CTSA-funded (2006-11) Center for Biomedical Informatics in Translation (BIIT) (http://www.itmat.upenn.edu/ctsa.shtml) promoting CRI best practices across the entire research spectrum of the Penn Medicine and CHOP enterprises, and as the Director of the Biomedical Data Coordination Core (BDCC), a new core within the Abramson Cancer Center NCI Core grant.

For more than forty years, Dr. Landis has been actively involved in collaborative biomedical research, and the development and evaluation of methods for the analysis of categorical data, resulting in more than 175 co-authored articles in the peer-reviewed scientific literature. Dr. Landis's publications are in the areas of statistical methods for repeated measurement and longitudinal categorical data, epidemiological studies, complex sample surveys and applications to cardiovascular, ophthalmology, respiratory, psychiatric, renal and urological research. Dr. Landis is a Fellow of the American Statistical Association (1987), elected member of the International Statistical Institute (1985), recipient of the Mortimer Spiegelman Gold Medal Award (1984) recipient of an Environmental Protection Agency Scientific and Technical Achievement Award (1987) and the 2011 recipient of the Marvin Zelen Leadership Award in Statistical Science, Harvard University School of Public Health.

Selected Publications

  • Landis JR, Sharp TJ, Kuritz SJ and Koch GG. Mantel-Haenszel Methods. In Encyclopedia of Biostatistics, Armitage P, Colton JT, eds. Wiley & Sons: London, 3:2378-2391, 1998.
  • Pulkstenis E, Ten Have TR and Landis JR. A mixed effects model for the analysis of ordinal longitudinal pain data subject to informative dropout. Statistics in Medicine 20:601-622, 2001.
  • Leiby B, Landis JR, Propert KJ, Tomaszewski JE, and the Interstitial Cystitis Data Base Study Group. Discovery of morphological subgroups that correlate with severity of symptoms in interstitial cystitis: A proposed biopsy classification system. The Journal of Urology 177:142-148, 2007.
  • Nickel JC, Krieger JN, McNaughton-Collins M, Anderson RU, Pontari M, Shoskes DA, Litwin MS, Alexander RB, White PC, Berger R, Nadler R, O’Leary M, Long ML, Zeitlin S, Chuai S, Landis JR, Kusek JW, Nyberg LM, Schaeffer AJ for the Chronic Prostatitis Collaborative Research Network. Alfuzosin and symptoms of chronic prostatitis -- chronic pelvic pain syndrome. The New England Journal of Medicine 359:2663-2673, 2008.
  • Landis JR, King T, Choi JW, Chinchilli V, Koch GG. Measures of agreement and concordance with clinical research applications. Accepted for publication in Journal of Biopharmaceutical Statistics 3(2), 185-209, 2011.