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Chathura Siriwardhana, Ph.D.

Chathura Siriwardhana, Ph.D.

Assistant Professor and Biostatistician

Office: MEB 411-13
(808) 692-1487


  • Ph.D. in Biostatistics, University of Louisville, Louisville, KY


Research Focus

Nonparametric and Semiparametric Methods, Survival Analysis, Statistics in Genomics, Health Research Design.

Selected Publications

  • Siriwardhana C, Datta S, Kulasekera KB. Flexible semi-parametric regression of state occupational probabilities in a multistate model with right-censored data. Lifetime Data Analysis. 2018, 24(3):464-491. doi: 10.1007/s10985-017-9403-6. PubMed PMID: 28819787;  PMCID: PMC5816729.
  • Siriwardhana C, Lim E, Davis J, Chen J. Progression of diabetes, ischemic heart disease, and chronic kidney disease in a three chronic conditions multistate model. BMC Journal of Public Health. 2018, 18(1):752. doi:10.1186/s12889-018-5688-y. PubMed PMID: 29914451, PMCID: PMC6006736.
  • Siriwardhana C, Zhao M, Datta S, & Kulasekera KB. A probability based method for selecting the optimal personalized treatment from multiple treatments. Statistical Methods in Medical Research. 2019, 28(3):749-760. doi:10.1177/0962280217735701. PubMed PMID: 29145777
  • Siriwardhana, C., Kulasekera, K.B., Datta, S. Personalized treatment selection using data from crossover designs with carry-over effects. Statistics in medicine. 2019,  38(28):5391-5412. doi: 10.1002/sim.8372. PMID: 31637762; PubMed PMCID: PMC6842056
  • Kulasekera KB, Siriwardhana C. Quantiles based personalized treatment selection for multivariate outcomes and multiple treatments. Statistics in Medicine. 2022, 41(15):2695-2710. doi: 10.1002/sim.9377. PubMed PMID: 35699385; PMCID: PMC9232994

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