Table 4.
Correlation between interepicondylar distance, axial and coronal planes, and the full length of the MPFL, components of the instability coefficient (IC)
| Variable | Group | Mean | SD | n | p | NI (95 %) | |
|---|---|---|---|---|---|---|---|
| Inferior | Superior | ||||||
| Axial IC | Control | 1.63 | 0.16 | 87 | < 0.001 | 1.30 | 1.95 |
| Potential instability | 1.41 | 0.19 | 19 | ||||
| Objective instability | 1.17 | 0.17 | 19 | ||||
| Coronal IC | Control | 1.60 | 0.16 | 87 | < 0.001 | 1.28 | 1.92 |
| Potential instability | 1.39 | 0.18 | 19 | ||||
| Objective instability | 1.15 | 0.16 | 19 | ||||
Statistical method: ANCOVA
n number of subjects, NI normal interval