Age (years) | 66.7 (9.8) | | 0.0125 |
Body mass index (kg/m2) | 29.9 (5.3) | | 0.0001 |
Sex | | | 0.0001 |
Male, No (%) | 165 (27.5) | | |
Female, No (%) | 435 (72.5) | | |
Disease duration (years) | 6.0 (6.8) | | 0.1029 |
K&L radiological grade ⩾3*, No (%) | 399 (66.5) | | 0.0063 |
Knee pain intensity on VAS | 63 (18.5) | | 0.0001 |
Joint effusion at clinical examination†, No (%) | 204 (34.0) | | 0.0001 |
Sudden aggravation of knee pain in previous 2 weeks, No (%) | 107 (17.8) | | 0.0001 |
Duration of morning stiffness (min): | | | |
on VAS | 13.9 (17.9) | | 0.5603 |
⩾30 minutes‡, No (%) | 100 (16.7) | | 0.9571 |
Night awakenings due to knee pain, No (%) | 171 (28.5) | | 0.0438 |
WOMAC§ | | | |
Pain subscale (0–100) | 51.7 (20.2) | | 0.0001 |
Stiffness subscale (0–100) | 53.4 (25.3) | | 0.0001 |
Physical function subscale (0–100) | 52.0 (19.9) | | 0.0001 |
Clinical knee OA severity on VAS (0-100) | | | |
Patient’s global assessment | 64.2 (21.4) | | 0.0001 |
Physician’s global assessment | 55.8 (19.5) | | 0.0001 |