Table 3. Number needed to harm with sibutramine by cardiovascular disease risk group.
NNHa (95% CI) at 4 months | NNHa (95% CI) at 12 months | |
---|---|---|
Cardiovascular disease | 129 (57–360) | 28 (12–77) |
No cardiovascular disease | 4809 (1690 to protective effect) | 1749 (615 to protective effect) |
Number needed to harm, from estimated survivor function following Cox regression with PS adjustment.