Demographic, clinical, and imaging characteristicsa
| No GCE | GCE | Statistical Comparison | |
|---|---|---|---|
| Age (yr) | 55.4 ± 13.5 | 49.7 ± 12.56 | Z = 0.36 |
| Sex | 76.9% (female) | 73.7% (female) | P = 1 |
| Smoking history | 50% (13/26) | 42% (8/19) | P = .76 |
| History of hypertension | 42% (11/26) | 63% (12/19) | P = .23 |
| Admission Hunt and Hess score | 2.58 ± 1.00 | 2.95 ± 1.10 | P = .64 |
| Admission GCS | 13–14 | 13–14 | P = .67 |
| Hydrocephalus | 1.77 ± 0.80 (mild) | 2.00 ± 0.65 (mild) | P = .368 |
| Global CBF | 40.3 ± 11.0 | 34.8 ± 7.6 | P = .06 |
| Global MTT | 5.6 ± 1.56 | 6.38 ± 2.02 | P = .15 |
Note:—GCS indicates Glasgow Coma Scale.
↵a Mean values are given for age, admission Hunt and Hess score, admission GCS, hydrocephalus, global CBF, and global MTT.