PharmaSUG · 2026Paper SI-348PharmaSUG 2026Algorithms to align the distribution of follow-up across independently collected cohorts when comparing time to event endpoints using conventional Kaplan Meier and Cox regression methods.Shankar Srinivasan; Yvonne Buttkewitz; Regina Uttenreuther; Baldeep Chani Talwar; Manjari DissanayakeSource category: Study Data Integration & AnalysisPaperSurvival AnalysisStatistical MethodologyAuthor collections: Shankar Srinivasan · Yvonne ButtkewitzRelated papersLet’s Flip: An Approach to Understand Median Follow-up by the Reverse Kaplan-Meier Estimator from a Programmer’s Perspective (2019)Alternative methods of regression when OLS is not right (2018)Alternative Methods of Regression When Ordinary Least Squares Regression Is Not Right (2015)
PharmaSUG · 2026Paper RW-379PharmaSUG 2026Contrast Effects in Curated Observational DataShankar Srinivasan; Helen Guo; Yvonne ButtkewitzSource category: Real-World Data (RWD) and Real-World Evidence (RWE)PaperAuthor collections: Shankar Srinivasan · Yvonne Buttkewitz