Abstract
Karrison has presented a method for covariate-adjusted comparison of two groups with respect to survival when the group effect is expected to not be of proportional hazards form. This article describes a simplified procedure for implementing Karrison's basic approach, along with an extended version designed to achieve robustness against misspecification in the underlying analytical model. A simulation study of these techniques is presented, and the techniques are illustrated with an example taken from Karrison.
| Original language | English |
|---|---|
| Pages (from-to) | 702-709 |
| Number of pages | 8 |
| Journal | Journal of the American Statistical Association |
| Volume | 93 |
| Issue number | 442 |
| DOIs | |
| State | Published - 1 Jun 1998 |
Keywords
- Kaplan–Meier curves
- Stratified Cox model
- Survival analysis
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