Table 1 Minimum sample size for covariates associated with time to recovery from SAM, 2021
Assumption | Variables | Hazard ratio (HR) | Probability of event | N(Event) |
|---|---|---|---|---|
Type I error = 0.05 | Anemia | 1.66 | 0.658 | 207 (123) |
Power = 80% | Malaria | 1.54 | 0.658 | 285 (169) |
Withdrawal probability = 0.1 | F100 intake | 0.728 | 0.694 | 499 (312) |