Computer based decision support system plus risk chart (CDSS), risk chart alone, and usual care for hypertension†
| Outcome at 12 months | Comparisons | Event rates | RRI (95% CI) | NNH (CI) |
|---|---|---|---|---|
| †Abbreviations defined in glossary; RRI, RRR, NNH, NNT, and CI calculated from adjusted odds ratios in article. Adjustment was made for computer system and baseline cardiovascular risk. | ||||
| At high risk for cardiovascular events | CDSS v chart | 89% v 85% | 9% (1 to 13) | 13 (9 to 86) |
| CDSS v usual care | 89% v 88% | 5% (−5 to 10) | Not significant | |
| RRR (CI) | NNT | |||
| Chart v usual care | 85% v 88% | 5% (−5 to 8) | Not significant | |