Univariate logistic analysis for predictor of poor outcomes
| Characteristics | Good (mRS 0–3) | Poor (mRS 4–6) | OR (95% CI) | p Value |
|---|---|---|---|---|
| N (male/female) | 58 (26/32) | 60 (24/36) | 0.8 (0.4 to 1.7) | 0.596 |
| Age (mean years±SD) | 52.9 (±11.1) | 56.8 (±11.6) | 1.0 (0.9 to 1.1 | 0.063 |
| Current smoking, n (%) | 18 (31) | 13 (22) | 0.6 (0.3 to 1.4) | 0.248 |
| Hypertension, n (%) | 29 (50) | 39 (65) | 1.8 (0.9 to 3.8) | 0.099 |
| Diabetes mellitus, n (%) | 7 (12) | 8 (13) | 1.1 (0.4 to 3.3) | 0.894 |
| WFNS grade V, n (%) | 13 (22) | 34 (57) | 4.5 (2.0 to 10.1) | <0.001 |
| Fisher grades III–IV | 48 (83) | 57 (95) | 4.0 (1.0 to 15.2) | 0.034 |
| Brain herniation, n (%) | 9 (16) | 25 (42) | 3.9 (1.6 to 9.3) | 0.002 |
| ICH, n (%) | 26 (45) | 32 (53) | 1.4 (0.7 to 2.9) | 0.356 |
| IVH, n (%) | 21 (36) | 33 (55) | 2.2 (1.0 to 4.5) | 0.025 |
| MCA aneurysm, n (%) | 30 (52) | 21 (35) | 0.5 (0.2 to 1.0) | 0.056 |
| Aneurysm size (mean mm±SD) | 6.0 (±3.1) | 6.2 (±4.1) | 1.0 (0.9 to 1.1) | 0.775 |
| Rebleeding before surgery, n (%) | 1 (2) | 2 (3) | 2.1 (0.2 to 24.0) | 0.579 |
| Improvement before surgery | 5 (9) | 3 (5) | 0.6 (0.1 to 2.4) | 0.439 |
| Ultra-early surgery | 16 (28) | 31 (52) | 2.8 (1.3 to 6.0) | 0.008 |
| Postoperative complications | ||||
| Aneurysm rebleeding | 0 | 4 (7) | – | 0.99 |
| Symptomatic vasospasm | 4 (7) | 6 (10) | 1.5 (0.4 to 5.6) | 0.547 |
| Cerebral infarction | 7 (12) | 15 (25) | 2.4 (0.9 to 6.5) | 0.077 |
| Hydrocephalus | 4 (7) | 7 (12) | 1.8 (0.5 to 6.4) | 0.378 |
| Meningitis | 2 (3) | 6 (10) | 3.1 (0.6 to 16.1) | 0.176 |
| Pneumonia | 18 (31) | 32 (53) | 2.5 (1.2 to 5.4) | 0.015 |
ICH, intracerebral haematoma; IVH, intraventricular haemorrhage; MCA, middle cerebral artery; WFNS, World Federation of Neurosurgical Societies.