Computer based decision support system plus risk chart (CDSS), risk chart alone, and usual care for hypertension†

Outcome at 12 monthsComparisonsEvent ratesRRI (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 eventsCDSS v chart89% v 85%9% (1 to 13)13 (9 to 86)
CDSS v usual care89% v 88%5% (−5 to 10)Not significant
Chart v usual care85% v 88%5% (−5 to 8)Not significant