1 Survival Models
Why Test for Proportional Hazards? * Don’t bother to test for proportional hazards - Hazards are never proportional because hazard ratios vary over the follow-up if treatment has an effect on survival.
Why Test for Proportional Hazards? * Don’t bother to test for proportional hazards - Hazards are never proportional because hazard ratios vary over the follow-up if treatment has an effect on survival.