Table 2.
Associations of IPFP hypointense signals with baseline knee cartilage defects and increases in knee cartilage defects over 2.6 years
| Multivariablea | Multivariableb | |
|---|---|---|
| OR (95 % CI) | OR (95 % CI) | |
| Baseline cartilage defects | ||
| Any cartilage defects | 2.38 (1.87, 3.03) | 2.24 (1.74, 2.87) |
| Medial tibiofemoral | 2.93 (2.24, 3.83) | 2.70 (2.05, 3.54) |
| Lateral tibiofemoral | 2.62 (2.02, 3.42) | 2.57 (1.95, 3.38) |
| Patellar | 1.84 (1.47, 2.31) | 1.93 (1.50, 2.47) |
| Increase in knee cartilage defects | ||
| Any cartilage defects | 2.27 (1.61, 3.21) | 2.08 (1.46, 2.97) |
| Medial tibiofemoral | 1.62 (1.21, 2.19) | 1.55 (1.15, 2.09) |
| Lateral tibiofemoral | 1.46 (1.09, 1.96) | 1.39 (1.03, 1.88) |
| Patellar | 1.38 (1.00, 1.90) | 1.36 (0.99, 1.88) |
Dependent variables: baseline cartilage defects or increases in knee cartilage defects (yes v no); independent variables: IPFP hypointense signals (per grade)
IPFP infrapatellar fat pat
aAdjusted for age, sex, BMI, and radiographic osteoarthritis
bFurther adjustment for bone marrow lesions