Table 4 Feasibility of the web-based patient decision aid: knowledge, preparation for decision making, and decisional conflict scores
Post-decision Aid Measures | Videobooklet Decision Aid used in Clinical Care | Web-based Decision Aid used for this Study | t statistic |
|---|---|---|---|
|  | (N = 243) | (n = 126) | (df = 367) |
| Â | mean (SD) | mean (SD) | p value |
Osteoarthritis Decision Quality Index’s Knowledge Subscale 0 - 100% correct | 67% (10%) | 75% (11%) | t = 4 p = <0.001 |
Preparation for Decision Making Scale 0 - 100 | 70 (26) | 74 (30) | t = 1 p = 0.18 |
Decisional Conflict Scale 0 - 100 | 15 (14) | 19 (15) | t = 2 p = 0.03 |