Effect of prevalent knee and hand OA on risk of hip OA
| Incident hip OA | ||||
|---|---|---|---|---|
| Unadjusted IR/1000 person years (99% CI) | Unadjusted HR (99% CI) | Age and gender-adjusted HR (99% CI) | + BMI-adjusted HR (99% CI) | |
| Reference | 2.07 (2.04 to 2.10) | Ref | Ref | Ref |
| Previous knee OA N=2699 | 5.98 (5.70 to 6.29) | 2.89 (2.82 to 2.95); p<0.001 | 1.66 (1.58 to 1.75); p<0.001 | 1.35 (1.28 to 1.43); p<0.001 |
| Previous hand OA N=1089 | 4.81 (4.45 to 5.20) | 2.32 (2.25 to 2.39); p<0.001 | 1.41 (1.30 to 1.53); p<0.001 | 1.23 (1.13 to 1.34); p<0.001 |
BMI, body mass index; IR, incidence rate; OA, osteoarthritis.