From: Appendicular bone mass and knee and hand osteoarthritis in Japanese women: a cross-sectional study
Joint space narrowing status | No. | Stiffness indexa | P value* | No. | mBMDb | P value* |
---|---|---|---|---|---|---|
Knee | Â | Â | Â | Â | Â | Â |
   None | 374 | 70.6 (0.5) |  | 381 | 2.24 (0.01) |  |
   Questionable | 85 | 67.8 (1.1) | 0.02 | 87 | 2.17 (0.03) | 0.02 |
   Definite | 98 | 70.3 (1.1) | 0.84 | 99 | 2.27 (0.03) | 0.31 |
DIP | Â | Â | Â | Â | Â | Â |
   None | 214 | 70.6 (0.7) |  | 219 | 2.24 (0.02) |  |
   Questionable | 214 | 69.1 (0.7) | 0.14 | 217 | 2.22 (0.02) | 0.37 |
   Definite | 126 | 70.8 (0.9) | 0.90 | 128 | 2.25 (0.03) | 0.71 |
PIP | Â | Â | Â | Â | Â | Â |
   None | 442 | 70.1 (0.5) |  | 450 | 2.23 (0.01) |  |
   Questionable | 107 | 70.3 (1.0) | 0.89 | 109 | 2.23 (0.02) | 0.99 |
   Definite | 8 | 67.1 (3.6) | 0.40 | 8 | 2.19 (0.09) | 0.66 |
CMC/MCP | Â | Â | Â | Â | Â | Â |
   None | 480 | 69.8 (0.4) |  | 488 | 2.23 (0.01) |  |
   Questionable | 36 | 70.4 (1.7) | 0.74 | 37 | 2.18 (0.04) | 0.21 |
   Definite | 41 | 73.4 (1.6) | 0.03 | 42 | 2.26 (0.04) | 0.49 |