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Differences between males and females: angles α and β
| Group | α (°) | β (°) |
|---|---|---|
| All | 13.98 ± 5.03 | 6.53 ± 5.10 |
| Male | 13.53 ± 4.93 | 7.07 ± 4.88 |
| Female | 14.03 ± 5.14 | 6.99 ± 5.31 |
| t | -0.941 | 1.061 |
| P | 0.375 | 0.291 |
The differences sexes were not statistical significance (P > 0.05)
