Age (years) (mean (SD)) | 65.5 (6.5) | 66.3 (7.2) | 66.0 (6.9) |
BMI (kg/m2) (mean (SD)) | 25.9 (2.8) | 26.6 (4.0) | 26.3 (3.6) |
Height (cm) (mean (SD)) | 175.5 (6.6) | 162.4 (6.5) | 167.9 (9.2) |
Lower limb disability (⩾0.5) (%) | 8.2 | 16.3 | 12.9 |
Lower limb disability (⩾1.0) (%) | 4.7 | 9.6 | 7.6 |
Morning stiffness (%) | 24.9 | 36.9 | 31.9 |
Hip pain (left and/or right) (%) | 7.1 | 14.9 | 11.7 |
Right | 5.6 | 11.0 | 8.7 |
Left | 4.5 | 9.9 | 7.6 |
Total hip replacement at baseline | | |
Unilateral (n (%)) | 20 (1.0) | 69 (2.6) | 89 (2.0) |
Bilateral (n (%)) | 6 (0.4) | 18 (0.9) | 24 (0.7) |
Kellgren (%) | | | |
⩾grade 2 | 7.8 | 6.4 | 7.0 |
⩾grade 3 | 1.2 | 1.5 | 1.4 |
MJS (%) | | | |
⩽2.5 mm | 6.8 | 8.1 | 7.5 |
⩽2.0 mm | 2.6 | 3.3 | 3.0 |
⩽1.5 mm | 1.2 | 1.5 | 1.4 |
Croft grade (%) | | | |
⩾grade 3 | 39.1 | 30.0 | 33.9 |
⩾grade 4 | 4.5 | 4.4 | 4.4 |