Table 1 Participant characteristics at baseline (n = 498)
Characteristic | Mean (sd) |
|---|---|
Age (years) | 60 (8) |
Female, N (%) | 282 (57%) |
Mass (kg) | 81 (16) |
Height (m) | 1.68 (0.95) |
BMI (kg/m2) | 28.7 (5.3) |
Waist circumference (cm) | 95.1 (13.7) |
Females (% with circumference >88 cm) | 90.7 (13.6) (52%) |
Males (% with circumference >102 cm) | 101.0 (11.5) (40%) |
Symptom duration (years) | 2.5 (1.3) |
Medial joint space width (mm) | 3.8 (1.0) |
OA severity (K&L grade), n (%) | |
Grade 1 | 273 (55%) |
Grade 2 | 202 (41%) |
Grade 3 | 23 (5%) |
Knee alignment (°) | 181 (2.4) |
Knee pain (WOMAC 0–20) | 6.7 (3.6) |
Physical function (WOMAC 0–68) | 21.8 (12.7) |
SF 12 PCS | 41.4 (9.6) |
SF 12 MCS | 48.7 (6.8) |
Comorbidity score | 3.2 (3.0) |
Use of non-steroidal anti-inflammatory drugs, n (%) | 140 (28%) |
Aspirin | 49 |
Meloxicam | 34 |
Ibuprofen | 23 |
Diclofenac | 17 |
Celecoxib | 13 |
Naproxen | 8 |
Indomethacin, ketoprofen, or piroxicam | 7 |