Table 2 Maximum BLR for which CP of at least 90% is reached for interval estimation of IDR as approximation of the HR
From: Limitations of the incidence density ratio as approximation of the hazard ratio
Relative average follow-up time of the control group | Maximum BLR | |||
|---|---|---|---|---|
Weibull (decreasing hazard) | Gompertz (increasing hazard) | |||
α = 0.5 | α = 0.75 | α = 1 | ||
30% | – | 1% | – | – |
40% | – | 1% | – | – |
50% | 1% | 2% | 1% | – |
60% | 2% | 2% | 1% | 1% |
70% | 7.5% | 5% | 2% | 1% |
80% | 30% | 10% | 2% | 2% |
90% | 30% | 30% | 20% | 10% |
100% | 30% | 30% | 30% | 25% |