Table 3. Association between intraoperative factors and postoperative delirium (PODE).
| Variable | PODE (n = 221) |
No PODE (n = 691) |
P value |
|---|---|---|---|
| Affected blood vessel | |||
| Trigeminal neuralgia (n = 602) | |||
| SCA | 94 | 242 | 0.872 |
| AICA | 32 | 85 | 0.812 |
| Petrosal vein | 15 | 46 | 0.504 |
| SCA-petrosal vein | 7 | 24 | 0.472 |
| SCA-AICA | 4 | 11 | 1.000* |
| Basilar artery | 5 | 6 | 0.307* |
| Arteriole | 4 | 6 | 0.480* |
| No vascular compression | 9 | 12 | 0.130 |
| Hemifacial spasm (n = 296) | |||
| AICA | 21 | 137 | 0.077 |
| PICA | 19 | 67 | 0.126 |
| Vertebral artery | 8 | 36 | 0.805 |
| AICA-vertebral artery | 2 | 6 | 0.626* |
| Glossopharyngeal neuralgia (n = 14) | |||
| PICA | 1 | 8 | 1.000* |
| AICA | 0 | 3 | 1.000* |
| Vertebral artery | 0 | 1 | 1.000* |
| PICA-vertebral artery | 0 | 1 | 1.000* |
| Mean blood loss (mL) | 328.67 ± 32.08 | 331.44 ± 30.69 | 0.250 |
| Mean operative time (min) | 156.11 ± 13.86 | 155.13 ± 12.95 | 0.337 |
*Fisher exact test
SCA, superior cerebellar artery; AICA, anterior inferior cerebellar artery; PICA, posterior inferior cerebellar artery