Table 3.
Comparison of the diameter of each segment of the optic canal.
| Group I | Group J | Mean difference (I-J) | Std. error | Sig. | 95% interval confidence | ||
|---|---|---|---|---|---|---|---|
| Lower bound | Upper bound | ||||||
| LSD | Orbital mouth | Cranial mouth | −0.8386 | 0.1912 | 0.0000 | −1.2208 | −0.4565 |
| Midpiece | 0.1614 | 0.1912 | 0.4019 | −0.2208 | 0.5435 | ||
| Cranial mouth | Orbital mouth | 0.8386 | 0.1912 | 0.0000 | 0.4565 | 1.2208 | |
| Midpiece | 1 | 0.1912 | 0.0000 | 0.6179 | 1.3821 | ||
| Midpiece | Orbital mouth | −0.1613 | 0.1912 | 0.4019 | −0.5435 | 0.2208 | |
| Cranial mouth | −1 | 0.1912 | 0.0000 | −1.3821 | −0.6179 | ||
The midpiece of optic canal is the narrowest, which has significant difference to the cranial mouth and orbital aperture (p < 0.05).