| IPFP hypointense signal | IPFP hypointense signal | p value |
---|---|---|---|
No (N = 305) | YES (N = 569) | ||
Age (year) | 61.6 (6.9) | 62.4 (7.5) | 0.090 |
Female sex (%) | 65.9 | 41.7 | <0.001 |
Body mass index (kg/m2) | 27.0 (4.5) | 28.1 (4.7) | <0.001 |
Medial tibial cartilage volume (ml) | 2.2 (0.6) | 2.4 (0.6) | <0.001 |
Lateral tibial cartilage volume (ml) | 2.6 (0.7) | 2.8 (0.7) | <0.001 |
Patella cartilage volume (ml) | 3.2 (0.9) | 3.2 (1.0) | 0.235 |
Medial tibial bone area (cm2) | 19.9 (2.9) | 21.4 (3.0) | <0.001 |
Lateral tibial bone area (cm2) | 11.4 (1.9) | 12.5 (2.2) | <0.001 |
Medial joint space narrowing (%) | 32.9 | 63.3 | <0.001 |
Lateral joint space narrowing (%) | 15.2 | 28.2 | <0.001 |
MTF osteophytes (%) | 1.8 | 10.0 | <0.001 |
LTF osteophytes (%) | 0.7 | 5.5 | 0.001 |
BML present (%) | 29.2 | 40.1 | 0.001 |
MTF cartilage defects (%) | 10.2 | 30.8 | <0.001 |
LTF cartilage defects (%) | 11.3 | 26.7 | <0.001 |
Patellar cartilage defects (%) | 29.4 | 44.3 | <0.001 |
Knee pain (%) | 46.2 | 51.4 | 0.144 |