Purushottam W. (Prakash) Laud, PhD
Acting Director & Professor
Division of Biostatistics
Institute for Health & Society
Education: PhD, University of Missouri, 1977
Professor Laud joined the Division of Biostatistics in the spring of 1994. He was previously in the Department of Mathematical Sciences at Northern Illinois University. His methodological research has spanned many areas of Bayesian statistics: nonparametric models for survival analysis, model selection in linear and generalized linear models, computational methods, semi-parametric models for instrumental variables regression with binary and time-to-event outcomes.
He has several collaborative relationships with researchers at the College, particularly with those in the College's Injury Research Center, the Center for Patient Care and Outcomes Research, and the Cardiovascular Research Center. Projects include falls injury prevention, relationship of obesity and motor vehicle crash fatalities, breast cancer screening and surveillance, genetic mechanisms of hypertension development in salt sensitive rats, and many others. The projects involve both experimental and observational studies.
Walker SG, Laud PW, Zantedeschi D, Damien P. Direct sampling. Journal of Computational and Graphical Statistics. 2011; 20(3):692-713.
Sivaganesan S, Laud PW, Mueller, P. A Bayesian subgroup analysis with a zero-enriched Polya Urn scheme. Statistics in Medicine. 2011; 30(4):312-323.
Hanson T, Johnson W and Laud P. Semiparametric inference for survival models with step process covariates. Canadian Journal of Statistics. 37(1):60-79, 2009.
Wang MC, Shivakoti M, Sparapani RA, Guo C, Laud PW, Nattinger AB. Thirty-day readmissions after elective spine surgery for degenerative conditions among US Medicare beneficiaries. Spine Journal. 2012 Oct;12(10):902-11.
Yang C, Stingo FC, Ahn KW, Liu P, Vannucci M, Laud PW, Skelton M, O'Connor P, Kurth T, Ryan RP, Moreno C, Tsaih SW, Patone G, Hummel O, Jacob HJ, Liang M, Cowley AW Jr. Increased proliferative cells in the medullary thick ascending limb of the loop of Henle in the Dahl salt-sensitive rat. Hypertension. 2013; 61(1):208-215.