Table 1. Patient characteristics.
| SAH patients (N = 71) | |
|---|---|
| Age at time of SAH (M ± SD) | 49.2 ± 7.9 |
| Sex (% female) | 60.6 |
| Educational level | 4.9 ± 1.1 |
| Low (1–4, %) | 33.8 |
| High (5–7, %)) | 66.2 |
| Interval between SAH and T1 in months (M ± SD, range) | 4.6 ± 1.4, 2–8 |
| Interval between T1 and T2 in years (M ± SD, range) | 2.9 ± 1.6,1–8 |
| Between 1 and 4 years (%) | 84.5 |
| Between 5 and 8 years | 15.5 |
| WFNS | 1.0 |
| Low (1–3) | 84.5 |
| High (4–5) | 15.5 |
| External CSF drainage (yes, %) | 56.3 |
| Treatment aSAH | |
| Clipping (%) | 26.9 |
| Coiling (%) | 71.2 |
| None (%) | 1.9 |
| Aneurysm circulation aSAH* | |
| Anterior (%) | 88.5 |
| Posterior (%) | 11.5 |
SAH, subarachnoid hemorrhage; WFNS, World Federation of Neurological Surgeons; aSAH, aneurysmal subarachnoid hemorrhage. Educational level is scored on a 7-point scale from (1) = no primary school, to (7) university.
*Anterior: aneurysms of the anterior cerebral or communicating artery, middle cerebral artery, posterior communicating artery, internal carotid artery, ophthalmic artery, and anterior choroidal artery. Posterior: aneurysms of the basilar artery, posterior cerebral artery, superior cerebellar artery, and vertebral artery.