Outcomes at 8 weeks to 5 years | Number of studies (n) | Comparison | Weighted event rates | RRR (95% CI) | NNT (CI) |
---|---|---|---|---|---|
*BP = blood pressure; other abbreviations defined in glossary. Weighted event rates, RRR, NNT, and CI calculated from data in article using a fixed effects model. | |||||
†Calculated using a random effects model. | |||||
Improved BP control | 4 (948) | SM v control | 38% v 41% | 8% (−9 to 21) | Not significant |
5 (530) | PtE v control | 56% v 63% | 12% (0 to 22) | Not significant | |
Patients lost to follow up | 6 (1704) | ARs v control | 14% v 35%† | 44% (21 to 60)† | 5 (3 to 15)† |