Hazards of Hazard Ratios — Deviations from Model Assumptions in Immunotherapy

Abstract
Summary statistics, such as hazard ratios, that are based on models may be difficult to interpret if there are substantial departures from key assumptions, including the assumption of proportionality of hazard functions. Recent cancer immunotherapy trials provide a contemporary example.
Funding Information
  • Burroughs Wellcome Fund (Innovations in Regulatory Science Award)