Table 2.
Unadjusted 5 year risk of cardiovascular event among patients randomised to computer based clinical decision support system plus risk chart, risk chart alone, or usual care and mean systolic and diastolic blood pressure at baseline and 12 month follow up
| Outcome | Computer support plus chart (n=202)
|
Chart only (n=199)
|
Usual care (n=130)
|
||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Baseline | 12 months | Mean (SE) difference | Baseline | 12 months | Mean (SE) difference | Baseline | 12 months | Mean (SE) difference | |||
| 5 year cardiovascular risk (No (%) of patients): | |||||||||||
| <10% | 40 (17) | 23 (11) | — | 30 (13) | 30 (15) | — | 19 (12) | 16 (12) | — | ||
| 10-19.9% | 112 (49) | 114 (56) | — | 107 (47) | 91 (46) | — | 82 (52) | 60 (46) | — | ||
| ⩾20% | 77 (34) | 65 (32) | — | 91 (40) | 78 (39) | — | 56 (36) | 54 (46) | — | ||
| Mean (SD) | 16.0 (8.3) | 16.7 (7.8) | 0.65 (0.39) | 17.9 (8.4) | 17.5 (8.2) | −0.48 (0.35) | 17.3 (8.6) | 17.8 (9.3) | 0.77 (0.37) | ||
| Mean (SD) systolic pressure (mm Hg) | 153 (19) | 153 (17) | −0.04 (1.4) | 156 (19) | 153 (19) | −2.66 (1.4) | 158 (21) | 159 (22) | 0.25 (1.7) | ||
| Mean (SD) diastolic pressure (mm Hg) | 85 (9) | 85 (9) | 0.36 (0.74) | 87 (9) | 86 (10) | −1.1 (0.78) | 86 (11) | 84 (11) | −1.64 (1.03) | ||