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Comparisons between preoperative and postoperative morphological parameters of the optic chiasm
| Morphological parameters | Pre-operation | Post-operation | p value |
|---|---|---|---|
| Chiasmal thickness (mm) | 1.2 ± 0.5 | 1.5 ± 0.6 | < 0.001 |
| Chiasmal deformed angle (degree) | 121.7 ± 14.3 | 137.8 ± 16.2 | < 0.001 |
| Chiasmal suprasellar extension (mm) | 15.4 ± 4.8 | 12.8 ± 3.9 | < 0.001 |
