Table 1 Characteristics of study participants (N = 198)
At time of MRI | |
|---|---|
Age (years) | 67.1 (7.7) |
Gender (n, % male) | 85 (43.4) |
BMI (kg m−2) | 27.2 (4.6) |
Heavy domestic chores in previous 7 days, n (%) | 163 (76.2) |
Vigorous physical activity in previous 7 days, n (%) | 50 (23.4) |
WOMAC pain score, median | 20 |
Femoral head cartilage volume (mm3) | 3259 (810) |
Femoral head bone area (mm2) | 1615 (266) |
Femoral head cartilage defects, n (%) | |
Anterior | 9 (4.5) |
Central superolateral | 72 (36.7) |
Central inferomedial | 104 (53.1) |
Posterior | 36 (18.2) |
Femoroacetabular BMLs, n (%) | |
Anterior | 34 (17.2) |
Central superolateral | 40 (20.4) |
Central inferomedial | 12 (6.1) |
Posterior | 22 (11.1) |
Occupational heavy lifting n (%) | |
Aged 18 to 30 years | 114 (59.7) |
Previous 10 years | 76 (38.8) |
Persistence score | |
No time point | 46 (28.7) |
One time point | 52 (32.5) |
Both time points | 62 (38.8) |
Occupational stair climbing n (%) | |
Aged 18 to 30 years | 37 (18.9) |
Previous 10 years | 23 (11.7) |
Persistence score | |
No time point | 122 (62.2) |
One time point | 28 (14.3) |
Both time points | 13 (6.6) |