Table 2.
Anthropometry and BMD
| Women | Men | |||||||
|---|---|---|---|---|---|---|---|---|
| Parameter | Patients with osteoarthritis (n = 38) | Control subjects (n = 122) | p value | p-adjust | Patients with osteoarthritis (n = 74) | Control subjects (n = 121) | p value | p-adjust |
| Anthropometry | ||||||||
| Proportion body fat (%) | 43.0 (40.0–46.0) | 35.5 (34.1–36.9) | <0.001* | 0.39 | 27.5 (26.2–28.7) | 23.4 (22.2–24.6) | <0.001* | 0.03* |
| Proportion lean mass (%) | 54.7 (51.5–57.9) | 61.9 (60.6–63.3) | <0.001* | 0.59 | 68.1 (66.9–69.2) | 74.3 (73.0–75.5) | <0.001* | <0.001* |
| Bone mineral density (g/cm2) | ||||||||
| Total body | 1.14 (1.10–1.18) | 1.03 (1.01–1.05) | <0.001* | 0.01* | 1.23 (1.20–1.25) | 1.17 (1.15–1.19) | <0.001* | 0.06 |
| Spine | 1.17 (1.09–1.24) | 1.00 (0.97–1.02) | <0.001* | <0.01* | 1.17 (1.13–1.21) | 1.11 (1.08–1.14) | 0.02* | 0.17 |
| Leg | 1.14 (1.09–1.19) | 1.06 (1.03–1.09) | <0.001* | 0.42 | 1.34 (1.31–1.37) | 1.29 (1.27–1.31) | 0.02* | 0.30 |
| Arm | 0.85 (0.81–0.90) | 0.76 (0.74–0.78) | <0.001* | 0.02* | 0.97 (0.95–1.00) | 0.95 (0.93–0.97) | 0.07 | 0.33 |
| Hip femoral neck | 0.87 (0.82–0.91) | 0.83 (0.80–0.86) | 0.28 | 0.51 | 0.99 (0.95–1.03) | 0.96 (0.92–0.99) | 0.25 | 0.63 |
| Hip Ward triangle | 0.75 (0.69–0.80) | 0.72 (0.69–0.76) | 0.46 | 0.60 | 0.88 (0.83–0.93) | 0.82 (0.78–0.85) | 0.02* | 0.70 |
| Hip trochanter | 0.81 (0.77–0.86) | 0.74 (0.71–0.76) | <0.01* | 0.59 | 0.97 (0.93–1.01) | 0.91 (0.88–0.95) | 0.06 | 0.93 |
| Bone size (cm) | ||||||||
| Femoral neck width | 3.47 (3.37–3.58) | 3.45 (3.40–3.51) | 0.72 | 0.17 | 4.04 (3.96–4.12) | 3.93 (3.87–3.99) | 0.03* | 0.21 |
Data are presented as unadjusted group means with 95% confidence interval within parentheses; group comparison were made adjusted for body size (BMI) (ANCOVA); *statistically significant difference (p < 0.05); BMD = bone mineral density; BMI = body mass index; ANCOVA = analysis of covariance.