Association of quadriceps weakness with cartilage loss for the whole knee, and compartment-specific analyses.
| Analysis | Whole Joint | Medial TF | Lateral TF | PF |
|---|---|---|---|---|
| Crude | 5.02 (2.19–11.54); < 0.001 | 5.00 (1.67–15.00); 0.004 | 4.22 (0.91–19.67); 0.067 | 2.94 (0.60–14.42); 0.184 |
| Adjusted* | 3.48 (1.30–9.35); 0.013 | 4.60 (1.25–17.02); 0.022 | 1.53 (0.24–9.78); 0.652 | 2.76 (0.46–16.44); 0.265 |
Values are HR (95% CI); p value.
↵* Adjusted for age, sex, body mass index, Western Ontario and McMaster Universities Osteoarthritis Index pain score, and baseline cartilage score. TF: tibiofemoral; PF: patellofemoral.