Table 3.
Comparison of FRAX clinical risk factors between patients with knee osteoarthritis and healthy controls.
| Osteoarthritis n = 239 | Healthy Controls n = 239 | p Value | |
|---|---|---|---|
| Age (year), mean ± SD | 67.1 ± 9.3 | 67.1 ± 9.2 | 0.8244 |
| BMI (kg/m²), mean ± SD | 24 ± 3.5 | 24 ± 3.4 | 0.9676 |
| Sex (female), n (%) | 231 (96.7) | 231 (96.7) | - |
| Previous fracture, n (%) | 37 (15.5) | 0 (0) | <0.001 * |
| Parent fractured hip, n (%) | 0 (0) | 0 (0) | - |
| Current smoking, n (%) | 1 (0.5) | 3 (1.4) | 0.317 |
| >3 units of alcohol per day, n (%) | 0 (0) | 2 (0.9) | 0.157 |
* p < 0.005. Statistical analysis was performed using McNemar’s test. FRAX, fracture risk assessment tool; SD, standard deviation; BMI, body mass index.