MRI findings according to patient groups
| Type | Group 1 (n = 16) | Group 2 (n = 14) | Group 3 (n = 16) | P Values |
|---|---|---|---|---|
| AICA | ||||
| I | 7 (43.8%) | 7 (50.0%) | 13 (81.3%) | |
| II | 7 (43.8%) | 6 (42.9%) | 2 (12.5%) | |
| III | 2 (12.5%) | 1 (7.1%) | 1 (6.3%) | |
| .803a/.158b/.065c | ||||
| Neurovascular contact | ||||
| I | 5 (31.3%) | 8 (57.1%) | 10 (62.5%) | |
| II | 8 (50.0%) | 6 (42.9%) | 6 (37.5%) | |
| III | 3 (18.8%) | 0 (0%) | 0 (0%) | |
| .130a/.769b/.032c,d |
↵a P values indicate the results of statistical comparisons between groups 1 and 2 by the Wilcoxon signed rank test.
↵b P values indicate the results of statistical comparisons between groups 2 and 3 by the linear association test.
↵c P values indicate the results of statistical comparisons between groups 1 and 3 by the linear association test.
↵d P values < .05.