From: Statistical methods for elimination of guarantee-time bias in cohort studies: a simulation study
Cumulative dose | Cox regression | Time-dependent Cox regression | Landmark analyses | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
HR | 95% CI | p-value | HR | 95% CI | p-value | HR | 95% CI | p-value | ||||
Low | 0.852 | 0.420 | 1.731 | 0.659 | 1.155 | 0.568 | 2.347 | 0.691 | 1.059 | 0.332 | 3.374 | 0.923 |
Moderate | 0.710 | 0.315 | 1.602 | 0.410 | 0.983 | 0.435 | 2.220 | 0.967 | 0.775 | 0.189 | 3.167 | 0.722 |
High | 0.443 | 0.218 | 0.899 | 0.024 | 0.778 | 0.381 | 1.587 | 0.490 | 0.812 | 0.295 | 2.233 | 0.687 |