Comparison of bone mineral density (BMD; g/cm2) obtained by dual-energy x-ray absorptiometry in patients with atrophic, normotrophic, and hypertrophic osteoarthritis. Values are mean ± SD (range).
| Variable | Atrophic, n = 31 | Normotrophic, n = 30 | Hypertrophic, n = 27 | p |
|---|---|---|---|---|
| Lumbar spine BMD | 1.01 ± 0.23 (0.65–1.52) | 1.05 ± 0.17 (0.74–1.45) | 0.99 ± 0.17 (0.67–1.34) | 0.34 |
| Radius | ||||
| Ultradistal BMD | 0.39 ± 0.093 (0.24–0.57) | 0.40 ± 0.074 (0.20–0.50) | 0.38 ± 0.079 (0.26–0.60) | 0.53 |
| Mid-radius BMD | 0.75 ± 0.11 (0.52–0.93) | 0.71 ± 0.12 (0.47–0.94) | 0.71 ± 0.12 (0.45–0.91) | 0.30 |
| Calcaneus | ||||
| Right BMD | 0.72 ± 0.12 (0.50–0.92) | 0.75 ± 0.11 (0.58–0.97) | 0.73 ± 0.10 (0.58–0.94) | 0.68 |
| Left BMD | 0.72 ± 0.11 (0.48–0.90) | 0.74 ± 0.10 (0.56–0.90) | 0.74 ± 0.08 (0.62–0.91) | 0.64 |