Age <45 years (n = 167) | Age ⩾45 years (n = 205) | p Value | |
---|---|---|---|
Values are shown as mean (SD) except for percentages. | |||
*Determined by Mann-Whitney U test, all others by t test. | |||
Female (%) | 57 | 58 | 0.822* |
Height (cm) | 167.6 (7.6) | 168.6 (8.8) | 0.247 |
Weight (kg) | 76.5 (15.4) | 78.3 (15.3) | 0.245 |
Body mass index (kg/m2) | 26.5 (4.7) | 27.5 (4.6) | 0.046 |
Radiographic osteoarthritis (%) | 10 | 23 | 0.001* |
Medial joint space narrowing (%) | 9 | 18 | 0.01* |
Lateral joint space narrowing (%) | 0 | 5 | 0.004* |
Medial osteophytes (%) | 2 | 8 | 0.014* |
Lateral osteophytes (%) | 1 | 3 | 0.252* |
Knee pain (%) | 34 | 35 | 0.875* |
Knee injury history (%) | 19 | 20 | 0.932* |
Smoking (%) | 54 | 55 | 0.813* |