Tree-structured subgroup analysis for censored survival data: Validation of computationally inexpensive model selection criteria

ABDISSA NEGASSA∗, ANTONIO CIAMPI†, MICHAL ABRAHAMOWICZ†,‡, STANLEY SHAPIRO† and JEAN-FRANÇOIS BOIVIN†,§ ∗Department of Epidemiology and Population Health, Albert Einstein College of Medicine of Yeshiva University, Bronx NY, USA [email protected] †Department of Epidemiology and Biostatistics, McGill University, Montreal, Canada ‡Clinical Epidemiology, Montreal General Hospital, Montreal, Canada §Center for Clinical Epidemiology and Community studies, The Sir Mortimer B. Davis Jewish General Hospital, Montreal, Canada