Table 3. Quantitative and texture features of conventional T2* maps of the PCL as a function of PCL condition (please see Table 2 for details on table organisation and display).
| Conventional T2* feature | PCL subregion | PCL condition | P value | Post-hoc details | ||||
|---|---|---|---|---|---|---|---|---|
| Intact PCL | Partial PCL injury | Complete PCL injury | Intact vs. partial | Intact vs. complete | Partial vs. complete | |||
| Mean (ms) | Entire | 10.0±3.2 (9.7) | 11.4±6.2 (9.5) | 15.5±7.8 (14.0) | 0.046 | ns | ns | ns |
| Subregion | ||||||||
| Proximal | 19.1±6.3 (17.7) | 17.9±10.0 (14.2) | 21.2±15.1 (13.7) | 0.316 | ns | ns | ns | |
| Central | 11.3±4.0 (10.5) | 8.0±2.6 (7.5) | 9.1±2.0 (8.6) | 0.222 | ns | ns | ns | |
| Distal | 9.6±3.2 (8.5) | 6.8±2.3 (6.2) | 7.9±2.7 (6.9) | <0.001 | ** | ns | ns | |
| Energy | Entire | 0.34±0.08 (0.31) | 0.38±0.10 (0.38) | 0.37±0.12 (0.34) | 0.710 | ns | ns | ns |
| Homogeneity | Entire | 0.81±0.03 (0.81) | 0.82±0.04 (0.82) | 0.81±0.05 (0.80) | 0.830 | ns | ns | ns |
| Variance (ms2) | Entire | 57.9±34.4 (58.4) | 89.7±74.2 (64.1) | 109.1±67.7 (109.0) | 0.046 | ns | ns | ns |
Data are mean ± standard deviation. Median values are indicated in parentheses. The level of significance of P≤0.01 was further stratified as P≤0.001 (**). PCL, posterior cruciate ligament; ns, non-significant.