Variables (means, SD; except where noted) | AKOA (n = 125) | Typical KOA (n = 125) | No KOA (n = 125) |
---|---|---|---|
Females (n, %) | 79 (63%) | 79 (63%) | 79 (63%) |
Index knee KL Grade = 0 (n, %) | 42 (34%) | 71 (57%) | 92 (74%) |
Patellofemoral Osteoarthritis (MR-based) | 88 (75%) | 84 (69%) | 80 (66%) |
Frequent knee pain in past 12 months (n, %) | 44 (35%) | 49 (39%) | 30 (24%) |
Age (years) | 62.5 (8.5) | 58.4 (8.4) | 57.3 (8.2) |
Body mass index (kg/m2) | 29.7 (4.6) | 28.1 (4.4) | 26.9 (4.4) |
Global impact rating (0 to 10; higher score = greater impact) | 1.7 (1.9) | 1.1 (1.5) | 0.8 (1.1) |
How many days limited activities in past 30 days (0 to 30)? | 3.2 (7.3) | 1.7 (4.8) | 1.4 (4.3) |
WOMAC pain (0 to 20; higher score = more pain) | 2.3 (3.1) | 1.8 (2.3) | 1.6 (2.4) |