Table 1.
Mean subject demographics and frequency of tibiofemoral compartmental radiographic score.
| Demographics | No PFOA (N = 24) | Mild PFOA (N = 38) | Severe PFOA (N = 44) |
|---|---|---|---|
| Age (years) | 61.4 (7.1) | 64.3 (10.2) | 65.3 (8.6) |
| Female (%) | 15 (62.5) | 20 (52.6) | 34 (77.3) |
| Height (cm) | 169.0 (8.7) | 170.0 (9.7) | 167.7 (7.5) |
| Weight (kg) | 78.6 (13.0) | 89.1 (21.3) | 90.3 (18.2)* |
| BMI (kg/m2) | 27.5 (4.3) | 30.9 (7.2) | 32.1 (6.5)* |
| Tibiofemoral Joint Radiographic Severity1 | |||
| Grade II (%) | 8 (33.3) | 5 (13.2) | 4 (9.1) |
| Grade III (%) | 13 (54.2) | 23 (60.5) | 21 (47.7) |
| Grade IV (%) | 3 (12.5) | 10 (26.3) | 19 (43.2) |
PFOA = Patellofemoral osteoarthritis; BMI = body mass index; Values are mean (SD) or N (%).
1
All patients had to have at least a grade II tibiofemoral OA to be included in the study.
*
Significantly different than “No PFOA” group