Table 1.
Adjusted odds ratios for association between radiographic OA and worst WOMAC subscale quartiles
| Pain | Stiffness | function | ||||
|---|---|---|---|---|---|---|
| Unadjusted OR (95% CI) |
Adjusted OR (95% CI) |
Unadjusted OR (95% CI) |
Adjusted OR (95% CI) |
Unadjusted OR (95% CI) |
Adjusted OR (95% CI) |
|
| OA (vs non- OA) | 3.71 (2.45-5.63) |
2.13 (1.33-3.40)† |
3.32 (2.20-5.01) |
2.94 (1.78-4.86)† |
5.07 (3.29-7.80) |
2.97 (1.83-4.81)† |
| Men with OA (vs Men with non-OA) * | 2.35 (1.11-4.94) |
2.21 (1.03-4.74)‡ |
1.32 (0.59-2.96) |
1.31 (0.57-3.01)‡ |
1.59 (0.73-3.43) |
1.44 (0.65-3.19)‡ |
| Women with OA (vs women with non-OA) * | 2.58 (1.42-4.68) |
2.15 (1.15-4.01)‡ |
2.57 (1.43-4.63) |
2.45 (1.32-4.53)‡ |
3.00 (1.64-5.49) |
2.56 (1.36-4.80)‡ |
| Women with non-OA (vs men with non-OA) | 2.48 (1.48-4.15) |
2.64 (1.54-4.53)‡ |
3.28 (1.94-5.55) |
3.42 (1.98-5.91)‡ |
2.48 (1.48-4.15) |
2.95 (1.70-5.14)‡ |
| Women with OA (vs men with OA) | 4.35 (1.26-4.93) |
5.19 (1.43-8.88)§ |
3.47 (1.16-10.39) |
3.99 (1.25-12.77)§ |
3.16 (1.05-9.47) |
4.11 (1.25-13.54)§ |
OA: subjects with radiographic tibiofemoral OA; non-OA: subjects with normal radiograph;
* Data were analyzed using sex-specific quartiles. † adjusted for age, BMI and sex, ‡ adjusted for age and BMI, § adjusted for age, BMI and OA severity.