Table 1 Baseline characteristics of postmenopausal women included in the knee OA study with the localization of OA, if present at other sites than the knee
| Â | Â | Quantitative real-time PCR | |||||
|---|---|---|---|---|---|---|---|
Prevalent OA | Incident OA | ||||||
Control | Knee OA | p value | Control | Knee OA | p value | ||
Number of subjects | Â | 42 | 43 | Â | 25 | 23 | Â |
Age (years, mean ± SD) |  | 68.3 ± 6.6 | 68.3 ± 6.6 | 0.77 | 67.7 ± 7.2 | 68.4 ± 8.0 | 0.72 |
BMI (kg/m2) |  | 25.9 ± 4.4 | 26.6 ± 4.4 | 0.38 | 26.2 ± 5.2 | 25.2 ± 4.0 | 0.73 |
Knee OA | KL score at baseline | 0 | 2/3 | Â | 0 | 0/1 | Â |
KL score at the end of the follow-up | 0/1 | 2/3/4 | Â | 0 | 2/3 | Â | |
OA at other sites | Hip (Lane score) | 2 | 5 | 0.25 | 5 | 5 | 0.88 |
Hand (ACR criteria) | 23 | 25 | 0.75 | 11 | 7 | 0.33 | |
Spine (self-reported) | 34 | 37 | 0.67 | 20 | 21 | 0.19 | |