Patterns of OA according to duration of current HRT use
| Duration of HRT use | Bilateral OA | Generalised OA | |||||
|---|---|---|---|---|---|---|---|
| prevalence | Odds ratio (95% CI) | prevalence | Odds ratio (95% CI) | ||||
| crude | adjusted4-150 | crude | adjusted4-150 | ||||
| 0 years | 88.7% (338/381) | 1 (reference) | 1 (reference) | 35.7% (120/336) | 1 (reference) | 1 (reference) | |
| <5 years | 83.3 (20/24) | 0.64 (0.21 to 1.95) | 0.91 (0.28 to 3.00) | 26.3% (5/19) | 0.64 (0.23 to 1.83) | 1.13 (0.36 to 3.60) | |
| 5+ years | 88.9 (24/27) | 1.02 (0.29 to 3.52) | 1.60 (0.44 to 5.83) | 28.6% (6/21) | 0.72 (0.27 to 1.90) | 1.28 (0.45 to 3.66) | |
↵4-150 Adjusted for age, body mass index, diabetes mellitus, gout, thiazide intake, hysterectomy and smoking.