Table II.
Univariate analysis (outcome, ischemic event at 1 month).
| Parameter | Patients with ischemic event, n=14 (41.1%) | Patients without ischemic event, n=20 (58.9%) | P-value |
|---|---|---|---|
| Groups, n (%) | |||
| Group A | 14 (41.1) | 3 (8.8) | 0.001 |
| Group B | 0 (0) | 17(50) | 0.001 |
| Age, years | 58.1±15 | 51.8±20 | 0.336 |
| Sex (male), n(%) | 10 (29.4) | 8 (23.5) | 0.161 |
| GCS at admission | 12.1±2 | 13.9±1 | 0.011 |
| Procedure, n (%) | |||
| Surgical | 10 (29.4) | 8 (23.5) | 0.071 |
| Endovascular | 4 (11.7) | 12 (35.2) | |
| MAP | |||
| % Reduction from baseline | 4.7±3 | 9.4±8 | 0.388 |
| Duration, min | 3.1±4 | 11.0±14 | 0.181 |
| Hunt and Hess grade, n (%) | |||
| I | 1 (2.9) | 7 (20.5) | 0.059 |
| II | 3 (8.8) | 12 (35.2) | 0.026 |
| III | 6 (17.6) | 1 (2.9) | 0.007 |
| IV | 3 (8.8) | 0 (0) | 0.030 |
| V | 1 (2.9) | 0 (0) | 0.225 |
| Modified Fisher grade, n (%) | |||
| I | 1 (2.9) | 7 (20.5) | 0.059 |
| II | 4 (11.7) | 12 (35.2) | 0.071 |
| III | 6 (17.6) | 1 (2.9) | 0.007 |
| IV | 3 (8.8) | 0 (0) | 0.030 |
| Aneurysm location | |||
| ACoA | 3 (8.8) | 3 (8.8) | 0.628 |
| MCA | 2 (5.8) | 10 (29.4) | 0.032 |
| PICA | 1 (2.9) | 1 (2.9) | 0.794 |
| Pcom | 2 (5.8) | 3 (8.8) | 0.954 |
| ICA | 6 (17.6) | 3 (8.8) | 0.070 |
| CT perfusion (white matter) parameters | |||
| CBFmean ± SD (mlblood/100 gtissue) | 26.6±4 | 14.3±11 | 0.001 |
| CBVmean ± SD (mlblood/100 gtissue) | 1.8±0. | 1.1±1 | 0.005 |
| MMTmean± SD (sec) | 4.9±1 | 3.8±1 | 0.001 |
GCS, Glasgow coma scale; MAP, mean arterial pressure; ACoA, anterior communicate artery; MCA, middle cerebral artery; PICA, posterior inferior cerebral artery; Pcom, posterior communicating artery; ICA, internal carotid artery; CT, computed tomography; MMTmean, mean value of mean transit time; CBVmean, mean value of cerebral blood volume; CBFmean, mean value of cerebral blood flow.