Table 4.
Results from the GEE model for differences in articular cartilage T1ρ and T2 relaxation times in people with and without PHMM tears.
| Estimated Differences* | 95 % CI | p-value | ||
|---|---|---|---|---|
| T1ρ Articular (Superficial) Layer | Lateral Femur | -0.6 | -3.4, 2.1 | 0.648 |
| Medial Femur | -1.7 | -5.4, 1.9 | 0.348 | |
| Lateral Tibia | -0.2 | -4.5, 4.9 | 0.943 | |
| Medial Tibia | -0.162 | -5.1, 4.7 | 0.948 | |
| Patella | 6.5 | 1.9, 11.0 | 0.006 | |
| T1ρ Bone (Deep) Layer | Lateral Femur | -1.1 | -3.3, 5.5 | 0.623 |
| Medial Femur | -4.6 | -7,2, -2.0 | < 0.001 | |
| Lateral Tibia | -6.2 | -11.6, -0.9 | 0.023 | |
| Medial Tibia | -3.8 | -8.5, 0.8 | 0.105 | |
| Patella | -1.1 | -5.8, 3.6 | 0.650 | |
| T2 Superficial Layer | -1.4 | -3.2, 0.4 | 0.126 | |
| T2 Deep Layer | -2.8 | -4.9, -0.7 | 0.010 | |
*
All values are adjusted for age and disease presence.
**
T1ρ superficial and deep layer had significant interaction effects between group (PHMM tear vs. No tear) and hence the data are reported for each compartment. T2 superficial and deep layers did not have a significant interaction effect so data are reported across all compartments.