Table 3.
Anatomical structure detection and recommended surgical strategy * after presenting conventional CT and MRI scans (2D and screen 3D) or reconstructed 3D-VR images, evaluated using Fisher’s exact test, assuming a p-value <0.05 to be significant.
| Anatomical Detections and Recommendations, n (%) |
2D and Screen 3D (n = 300) | 3D-VR (n = 300) | p-Value |
|---|---|---|---|
| anatomical structure detection: | |||
| sufficient | 223 (74) | 254 (85) | 0.002 |
| not sufficient | 77 (26) | 46 (15) | (significant) |
| recommended patient positioning: | |||
| supine position | 288 (96) | 281 (94) | 0.27 |
| other positions (semi-supine or lateral) | 12 (4) | 19 (6) | (not significant) |
| recommended head positioning: | |||
| straight “neutral” | 219 (73) | 188 (63) | 0.009 |
| lateral rotation | 81 (27) | 112 (37) | (significant) |
| recommended surgical approach: | |||
| pterional or extended pterional | 77 (25) | 107 (36) | |
| supraorbital | 126 (42) | 104 (35) | 0.03 |
| frontal or bifrontal | 89 (30) | 77 (25) | (significant) |
| combined | 8 (3) | 12 (4) |
* Based on the questionnaire in Table 1. 2D, two-dimensional; 3D, three-dimensional; CT, computed tomography; MRI, magnetic resonance imaging; VR, virtual reality.