Table 3.
Association of patients baseline treatment preferences and expectations with OMERACT-OARSI responder.
| OMERACT-OARSI at 6 months |
OMERACT-OARSI at 12 months |
|||
|---|---|---|---|---|
| Unadjusted odds ratio (95% CI) | Adjusteda odds ratio (95% CI) | Unadjusted odds ratio (95% CI) | Adjusteda odds ratio (95% CI) | |
| Preference for treatment received | ||||
| Yes cf. nob | 1.48 (0.86, 2.55) | 1.76 (1.00, 3.10) | 0.98 (0.57, 1.70) | 1.09 (0.61 1.93) |
| Preference for A&E | ||||
| Strongly prefer/prefer cf. no preferenceb | 1.09 (0.70, 1.72) | 1.20 (0.74, 1.94) | 1.17 (0.73, 1.86) | 1.19 (0.72, 1.96) |
| Strongly not prefer/not prefer cf. no preferenceb | 0.81 (0.32, 2.03) | 0.70 (0.27, 1.82) | 0.54 (0.20, 1.44) | 0.50 (0.18, 1.41) |
| Preference for acupuncture | ||||
| Strongly prefer/prefer cf. no preferenceb | 1.14 (0.73, 1.78) | 1.21 (0.75, 1.96) | 0.86 (0.54, 1.36) | 0.91 (0.55, 1.51) |
| Strongly not prefer/not prefer cf. no preferenceb | 0.63 (0.18, 2.26) | 0.58 (0.15, 2.24) | 0.69 (0.20, 2.38) | 0.63 (0.17, 2.38) |
| Matched preferences | ||||
| Yes cf. nob | 1.42 (0.92, 2.20) | 1.33 (0.79, 2.24) | 0.91 (0.58, 1.42) | 0.82 (0.48, 1.40) |
| Treatment expectations | ||||
| High (8–10) cf. low (1–7) general expectation | 1.91 (1.23, 2.97) | 1.79 (1.12, 2.87) | 1.81 (1.15, 2.86) | 1.62 (1.00, 2.63) |
| High (6–10) cf. low (1–5) expectation for A&E | 1.66 (1.06, 2.59) | 1.57 (0.99, 2.49) | 1.72 (1.09, 2.72) | 1.59 (0.99, 2.58) |
| High (6–10) cf. low (1–5) expectation for acupuncture | 1.70 (1.07, 2.69) | 1.68 (1.03, 2.75) | 1.69 (1.05, 2.71) | 1.75 (1.04, 2.93) |
| Matched treatment expectations | ||||
| Yes cf. noc | 1.81 (1.15, 2.87) | 1.72 (1.06, 2.79) | 1.91 (1.19, 3.06) | 1.88 (1.13, 3.13) |
a
Adjusted for baseline WOMAC pain, age, gender, duration of knee problems, and randomised treatment group.
b
Compared to an odds ratio of 1 in the comparison group.
c
Using cut-offs (at median) to define high/low treatment expectations.