Psychological interventions (PSIs) (with or without rehabilitation) v control (usual care or rehabilitation) for coronary heart disease*
| Outcomes at 5 months to 5 years | Number of trials (n) | Comparisons | Weighted event rates | RRR (95% CI) | NNT (CI) |
|---|---|---|---|---|---|
| *MI = myocardial infarction; SMT = stress management training. Other abbreviations defined in glossary; weighted event rates, RRR, NNT, and CI calculated from data in article using a fixed effects model. | |||||
| †Borderline significance. | |||||
| Non-fatal MI | 18 (10 200) | All PSIs v control | 7% v 9% | 20% (9 to 30) | 50 (34 to 100) |
| Non-fatal MI | 8 (3990) | SMT v control | 4% v 6% | 29% (8 to 45) | 50 (34 to ∞)† |
| Cardiac mortality | 4 (1412) | SMT v control | 3% v 6% | 37% (0 to 60) | 34 (20 to ∞)† |
