Table 1 Baseline characteristics
Favorable neurological outcome (n = 109) | Poor neurological outcome (n = 47) | P value | |
|---|---|---|---|
Age (yr) — mean ± SD | 56.6 ± 12.5 | 66.4 ± 12.2 | < 0.001 |
Gender, male — no. of patients (%) | 37 (33.9) | 14 (29.8) | 0.748 |
BMI (kg/m2) — mean ± SD | 23.6 ± 3.3 | 23.1 ± 5.2 | 0.576 |
Comorbidities — no. of patients (%) | |||
Hypertension | 36 (33.0) | 24 (51.1) | 0.052 |
Current smoker | 25 (22.9) | 7 (14.9) | 0.355 |
Diabetes mellitus | 5 (4.6) | 5 (10.6) | 0.289 |
Dyslipidemia | 6 (5.5) | 0 (0) | 0.235 |
Previous TIA or stroke | 3 (2.8) | 2 (4.3) | 0.999 |
Malignancy | 2 (1.8) | 2 (4.3) | 0.745 |
Chronic kidney disease | 3 (2.8) | 0 (0) | 0.608 |
Ischemic heart disease | 2 (1.8) | 0 (0) | 0.874 |
Hunt and Hess Classification — no. of patients (%) | < 0.001 | ||
2 | 69 (63.3) | 2 (4.3) | |
3 | 20 (18.3) | 7 (14.9) | |
4 | 13 (11.9) | 11 (23.4) | |
5 | 7 (6.4) | 27 (57.4) | |
Glasgow Coma Scale — mean ± SD | 12.8 ± 3.5 | 7.1 ± 3.8 | < 0.001 |
Modified Fisher classification — no. of patients (%) | < 0.001 | ||
1 | 25 (22.9) | 1 (2.1) | |
2 | 8 (7.3) | 0 (0) | |
3 | 57 (52.3) | 23 (48.9) | |
4 | 19 (17.4) | 23 (48.9) | |
Pupil reactivity — no. of patients (%) | < 0.001 | ||
Both intact pupil reflex | 100 (91.7) | 28 (59.6) | |
One unreactive pupil | 3 (2.8) | 3 (6.4) | |
Both unreactive pupils | 6 (5.5) | 16 (34.0) | |
Aneurysm location — no. of patients (%) | 0.036 | ||
Anterior communicating artery | 33 (30.3) | 8 (17.0) | |
Anterior cerebral artery & distal | 3 (2.8) | 7 (14.9) | |
Middle cerebral artery & distal | 24 (22.0) | 12 (25.5) | |
Internal carotid artery | 6 (5.5) | 7 (14.9) | |
Posterior communicating artery | 20 (18.3) | 6 (12.8) | |
Posterior circulation | 12 (11.0) | 3 (6.4) | |
No aneurysm | 7 (6.4) | 3 (6.4) | |
Unknown | 4 (3.7) | 1 (2.1) | |
Hydrocephalus — no. of patients (%) | 48 (44.0) | 34 (72.3) | 0.002 |
Intraventricular hemorrhage — no. of patients (%) | 25 (22.9) | 23 (48.9) | 0.002 |