Table 2 Incidence rates per 1000 person year (PY) for knee, hip and hand osteoarthritis between patients with and without PCOS
| Â | PCOS | Controls | Unadjusted HRa (95% CI) | p value | ||
|---|---|---|---|---|---|---|
| Â | No. of events | Incidence rate per 1,000 PY (95%CI) | No. of events | Incidence rate per 1000 PY (95% CI) | ||
Knee osteoarthritis | 588 | 2.8 (2.5; 3.0) | 951 | 1.5 (1.4; 1.6) | 1.9 (1.7;2.1) | < 0.001 |
Hip osteoarthritis | 173 | 0.8 (0.7; 0.9) | 390 | 0.6 (0.6; 0.7) | 1.3 (1.1; 1.6) | 0.004 |
Hand osteoarthritis | 55 | 0.3 (0.2; 0.3) | 96 | 0.1 (0.1; 0.2) | 1.8 (1.3; 2.4) | 0.001 |