Screening v usual care for reducing persistent depression at 1 to 24 months of follow up*
| Weighted event rates | ||||
|---|---|---|---|---|
| Number of trials | Screening | Usual care | RRR (95% CI) | NNS (CI) |
| *NNS = number needed to screen. Other abbreviations defined in glossary; RRR, NNS, and CI calculated from data in article using a random-effects model. | ||||
| †Excludes 1 strongly positive study causing heterogeneity. | ||||
| 7 | 57% | 66% | 13% (5 to 21) | 12 (8 to 25) |
| 6† | 58% | 65% | 10% (2 to 12) | 15 (10 to 34) |