Table 3.
Odds ratios (95% confidence intervals) of osteoarthritis of hip in siblings. Values are adjusted for age
| Definition | Women | Men | Both sexes |
|---|---|---|---|
| Minimum hip joint space: | |||
| ⩽2.5 mm | 4.45 (3.26 to 6.07) | 6.41 (4.19 to 9.78) | 5.03 (3.93 to 6.46) |
| ⩽1.5 mm | 4.21 (2.76 to 6.56) | 11.85 (6.39 to 21.9) | 6.21 (4.36 to 8.84) |
| Bilateral ⩽2.5 mm | 4.30 (2.71 to 6.84) | 12.5 (5.60 to 27.9) | 5.86 (3.95 to 8.68) |
| Grade 3-5 | 5.72 (4.06 to 8.07) | 9.85 (6.41 to 15.1) | 7.12 (6.45 to 9.31) |
| Total hip replacement | 7.73 (4.0 to 14.9) | 14.4 (5.77 to 35.8) | 9.76 (5.74 to 16.6) |