Table 2.
Comparing the CFL Bone Tunnel to Anatomic References Between the Open and Arthroscopic Groups
| CFL Bone Tunnel to the References | Open, mm | ICCs | Arthroscopy, mm | ICCs | P Value |
|---|---|---|---|---|---|
| Subtalar joint (means ± SD) | 18.4 ± 3.4 | 0.76 (P < .001) | 17.5 ± 2.6 | 0.71 (P < .001) | >.05 |
| Calcaneus superior edge (mean SD) | 13.6 ± 3.4 | 0.89 (P < .001) | 14.4 ± 4.5 | 0.95 (P < .001) | >.05 |
| Fibular tip (means ± SD) | 21.9 ± 4.3 | 0.89 (P < .001) | 25.1 ± 3.6 | 0.86 (P < .001) | >.05 |
| Angle with fibula (means ± SD) | 131.4 ± 17.7 | 0.88 (P < .001) | 132.6 ± 13.7 | 0.83 (P < .001) | >.05 |
| The cross point of fibular and tangential line of FOT (means ± SD) | 12.8 ± 3.9 | 0.86 (P < .001) | 12.2 ± 7.0 | 0.97 (P < .001) | >.05 |
| The cross point of tangential lines of talus and subtalar joint (means ± SD) | 5.6 ± 2.7 | 0.67 (P = .006) | 6.8±3.7 | 0.86 (P < .001) | >.05 |
| The cross point of the fibular longitudinal axis and perpendicular line across fibular tip (means ± SD) | 17.0 ± 3.6 | 0.86 (P < .001) | 19.1 ± 3.5 | 0.79 (P < .001) | >.05 |
CFL, calcaneofibular ligament; ICC, intraclass correlation coefficient; SD, standard deviation.