Proportion of participants who made a definite decision to start or continue warfarin by group by pre-clinic treatment status
| Status | Group | Difference between groups RR (95% CI) | |||
|---|---|---|---|---|---|
| Guidelines | Decision aid | ||||
| x | n (%) | x | n (%) | ||
| CI, confidence interval; n, total number of participants in subgroup; RR, relative risk; x, number of participants making a definite decision to start or continue on warfarin. | |||||
| Not on warfarin | 15 | 16 (93.8) | 4 | 16 (25.0) | 0.27 (0.11–0.63) |
| Already on warfarin | 35 | 40 (87.5) | 35 | 37 (94.6) | 1.08 (0.94–1.24) |
| All participants | 50 | 56 (81.7) | 39 | 53 (73.6) | 0.82 (0.68–0.99) |