Table 3.
Secondary outcomes.
| Routine Care (Total N = 81) | Decision Aid (Total N = 79) | Adjusted Odds Ratios (95% CI)b | |
|---|---|---|---|
| Decisional Conflict SURE Test Scale, n ‘yes’ /N | |||
| Do you feel sure about the best choice for you? | 67/81 (82.7) | 62/79 (78.5) | 0.75 (0.33–1.67) |
| Do you know the benefits and risks of knee replacement surgery and non-surgical treatment? | 64/81 (79.0) | 76/79 (96.2) | 6.48 (2.04–28.84) |
| Are you clear about which benefits and risks matter most to you? | 66/81 (81.5) | 71/79 (93.7) | 1.93 (0.77–5.13) |
| Do you have enough support and advice to make a choice? | 66/81 (81.5) | 62/79 (78.5) | 0.75 (0.34–1.67) |
| Combined (4 out of 4) | 57/81 (70.4) | 56/79 (70.9) | 0.96 (0.48–1.92) |
| Shared decision-making (top scorea), n (%) | 38/80 (47.5) | 33/75 (44.0) | 0.86 (0.45–1.64) |
| Willingness to have surgery, n (%) | |||
| I would definitely consider having knee joint replacement surgery now. | 60 (74.1) | 51 (65.4) | 1.64 (0.83–3.28) |
| I would probably consider having knee joint replacement surgery now. | 13 (16.0) | 13 (16.7) | |
| I am not sure. | 5 (6.2) | 12 (15.4) | |
| I would probably not consider having knee joint replacement surgery now. | 3 (3.7) | 2 (2.6) | |
| I would definitely not consider having knee joint replacement surgery now. | 0 (0.0) | 0 (0.0) | |
a
Top score is best outcome on all items for collaborate scale.
b
Models do not account for clustering by surgeon given ICC results, but do adjust for sex; ∗p < 0.05.