Table 4.
Wilcoxon signed-rank test for increase rate of velocity between DIPH group and control group.
| Terminal ICA |
MCA |
ACA |
|||||||
|---|---|---|---|---|---|---|---|---|---|
| DIPH group | Control group | P value | DIPH group | Control group | P value | DIPH group | Control group | P value | |
| Min velocity (%) | 1.57 ± 58.12 | 24.51 ± 33.29 | 0.385 | –16.59 ± 41.79 | 8.65 ± 49.84 | 0.250 | –11.29 ± 91.36 | 18.41 ± 25.15 | 0.892 |
| Mean velocity (%) | 42.89 ± 74.21 | 48.85 ± 63.44 | 1.000 | 28.94 ± 96.97 | 6.23 ± 79.32 | 0.213 | 4.00 ± 88.16 | 6.02 ± 83.58 | 0.750 |
| Max velocity (%) | 20.22 ± 16.16 | 35.89 ± 34.03 | 0.682 | 19.79 ± 24.57 | 16.79 ± 25.42 | 0.682 | 27.02 ± 43.98 | 23.12 ± 27.94 | 1.000 |
ICA: internal carotid artery; MCA: middle cerebral artery; ACA: anterior cerebral artery; Pre: pre-operative; Post: post-operative.