From: Appendicular bone mass and knee and hand osteoarthritis in Japanese women: a cross-sectional study
OA grades | No. | Stiffness indexa | P value* | No. | mBMDb | P value* |
---|---|---|---|---|---|---|
Knee | Â | Â | Â | Â | Â | Â |
   0 |  | 70.6 (0.6) |  |  | 2.25 (0.02) |  |
   1–4 |  | 69.6 (0.6) | 0.28 |  | 2.22 (0.01) | 0.15 |
DIP | Â | Â | Â | Â | Â | Â |
   0 |  | 71.3 (1.0) |  |  | 2.26 (0.02) |  |
   1–4 |  | 69.8 (0.5) | 0.18 |  | 2.23 (0.01) | 0.29 |
PIP | Â | Â | Â | Â | Â | Â |
   0 |  | 70.5 (0.5) |  |  | 2.23 (0.01) |  |
   1–4 |  | 69.4 (0.7) | 0.26 |  | 2.24 (0.02) | 0.46 |
CMC/MCP | Â | Â | Â | Â | Â | Â |
   0 |  | 70.1 (0.5) |  |  | 2.24 (0.01) |  |
   1–4 |  | 70.0 (0.9) | 0.92 |  | 2.22 (0.02) | 0.52 |