Overview
Patricia M. Grambsch is a biostatistician (University of Minnesota, School of Public Health), known for survival-analysis methodology — especially diagnostics for the Cox proportional-hazards model.
Key Contributions / Features
- Grambsch-Therneau test (1994): the standard test for the proportional-hazards assumption, based on scaled Schoenfeld residuals.
- Penalized survival models and frailty (Therneau-Grambsch-Pankratz 2003): with Therneau and Pankratz.
- Co-author of Modeling Survival Data: Extending the Cox Model (2000).
Related