Table 2.
The clinical characteristics of nonaneurysmal subarachnoid hemorrhage.
| All NASAH (n = 137) | PMN-SAH (n = 82) | nPMN-SAH (n = 55) | p value | |
|---|---|---|---|---|
| LOS, mean (range) | 8.5 ± 8.5 (2–75) | 7.7 ± 4.0 (2–16) | 12.9 ± 11.9 (2–75) | 0.001 |
| GCS | ||||
| Mild (13–15) | 132 (97.0%) | 82 (100%) | 50 (90.9%) | 0.009 |
| Middle (9–12) | 1 (0.7%) | 0 | 1 (1.8%) | |
| Severe (3–8) | 4 (2.3%) | 0 | 4 (7.3%) | |
| H-H grade | ||||
| Good (I-II) | 132 (96.4%) | 81 (98.8%) | 51 (92.7%) | 0.157 |
| Poor (III-IV) | 5 (3.6%) | 1 (1.2%) | 4 (7.3%) | |
| mFS | ||||
| 0-1 | 78 (56.9%) | 70 (85.4%) | 8 (14.5%) | <0.001 |
| 2–4 | 59 (43.1%) | 12 (14.6%) | 47 (85.5%) | |
| Complication | ||||
| Hydrocephalus | 14 (10.2%) | 3 (3.7%) | 11 (20.0%) | 0.001 |
| Cerebral vasospasm | 7 (5.1%) | 1 (1.2%) | 6 (10.9%) | 0.017 |
| Rebleeding | 1 (0.7%) | 0 | 1 (1.8%) | 0.401 |
| Pulmonary infections | 3 (2.2%) | 1 (1.2%) | 2 (3.6%) | 0.564 |
NASAH: nonaneurysmal subarachnoid hemorrhage, PMN-SAH: perimesencephalic nonaneurysmal subarachnoid hemorrhage, nPMN-SAH: nonperimesencephalic nonaneurysmal subarachnoid hemorrhage, GCS: Glasgow coma scale, H-H grade: Hunt-Hess grade, mFS: modified Fisher Scale; LOS: length of hospital stay.