Table 2.
Comparison of age, os trigonum size and calcaneal stage by talus-os trigonum in terms of PAIS
| N | Mean | SD | Min | Max | *p | |
|---|---|---|---|---|---|---|
| Age (year) | 0.005 | |||||
| PAIS– | 41 | 13.20 | 2.400 | 8 | 16 | |
| PAIS+ | 14 | 15.14 | 1.231 | 12 | 16 | |
| Total | 55 | 13.69 | 2.316 | 8 | 16 | |
| Size (mm) | 0.004 | |||||
| PAIS– | 41 | 6.71 | 2.065 | 3 | 11 | |
| PAIS+ | 14 | 9.00 | 3.442 | 3 | 15 | |
| Total | 55 | 7.29 | 2.650 | 3 | 15 | |
| Calcaneal stage | 0.219 | |||||
| PAIS– | 41 | 3.80 | 0.715 | 2 | 5 | |
| PAIS+ | 14 | 4.07 | 0.616 | 3 | 5 | |
| Total | 55 | 3.87 | 0.695 | 2 | 5 |
*: Significance levels according to independent T-test results; PAIS: Posterior ankle impingement syndrome; SD: Standard deviation; Min: Minimum; Max: Maximum.