OA progression indicators | All participants | Caucasian | AA | P a |
---|---|---|---|---|
n (%) | n (%) | n (%) | ||
Radiographic OA progressionb (n = 2,803 hips) | 411 (14.7) | 332 (16.0) | 79 (10.8) | 0.0007 |
Range of motion progressionc (n = 2,644 hips) | 404 (15.3) | 279 (14.0) | 125 (19.3) | 0.0012 |
Incident hip replacement at T1 (n = 2,843 hips) | 12 (0.4) | 10 (0.5) | 2 (0.3) | 0.742d |
Disability progressione (n = 1,401 participants) | 445 (31.8) | 302 (29.0) | 143 (39.7) | <0.0001 |
Any progression (n = 2844 hips) | 1,406 (49.4) | 1,003 (47.6) | 403 (54.8) | 0.0008 |