Table 2.
Baseline characteristics of the 50 patients for whom radiographs were available
| Baseline characteristic | Low stratum: JSW <2.5 mm (n = 25) | High stratum: JSW ≥ 2.5 mm (n = 25) | Total (n = 50) |
| Age (years; mean ± SD) | 60.6 ± 8.2 | 59.9 ± 10.9 | 60.2 ± 9.6 |
| Sex (n [%] female) | 15/25 (60%) | 14/25 (56%) | 29/50 (58%) |
| BMI (kg/m2; mean ± SD) | 27.5 ± 5.5 | 25.8 ± 3.0 | 26.6 ± 4.5 |
| Disease duration (years; mean ± SD) | 5.2 ± 4.5 | 3.6 ± 3.2 | 4.4 ± 4.0 |
| Lequesne index (0–24; mean ± SD) | 7.2 ± 2.0 | 6.9 ± 1.9 | 7.1 ± 2 |
| WOMAC (total score: 0–100; mean ± SD) | 35 ± 23.3 | 27.10 ± 15.75 | 31.12 ± 20.15 |
| Global pain on VAS (mm; mean ± SD) | 39.4 ± 25.8 | 35. 7 ± 15.1 | 37.6 ± 21.0 |
BMI, body mass index; JSW, joint space width; SD, standard deviation; VAS, visual analogue scale; WOMAC, Western and Ontario MacMaster University.