Table 1.
Demographics and comorbidities
| Parameter | Supra- and infratentorial cases (n = 1000) |
Supratentorial cases only (n = 777) |
|---|---|---|
| Age (years) | ||
| Range | 18–88 | 18–88 |
| Mean ± SD | 57 ± 15 | 58 ± 15 |
| Median (IQR) | 58 (47–68) | 58 (47–68) |
| Gender | ||
| Female | 552 (55%) | 422 (54%) |
| Male | 448 (45%) | 355 (46%) |
| Body mass index | ||
| Range | 13–46 | 13–46 |
| Mean ± SD | 26 ± 5.0 | 27 ± 5.0 |
| Median (IQR) | 26 (24–29) | 26 (23–29) |
| ASA class | ||
| I | 56 (6%) | 43 (6%) |
| II | 577 (58%) | 432 (56%) |
| III | 358 (36%) | 295 (38%) |
| IV | 9 (1%) | 7 (1%) |
| V | 0 (0%) | 0 (0%) |
| mNIHSS | ||
| Range | 0–11 | 0–11 |
| Mean ± SD | 1 ± 1,5 | 1 ± 1,5 |
| Median (IQR) | 0 (0–1) | 0 (0–2) |
| Preoperative GCS | ||
| Range | 11–15 | 11–15 |
| Mean ± SD | 15 ± 0.3 | 15 ± 0.3 |
| Median (IQR) | 15 (15–15) | 15 (15–15) |
| Arterial hypertension | 412 (41%) | 321 (41%) |
| Diabetes mellitus | 113 (11%) | 94 (12%) |
| Anticoagulation / antiplatelet medication | 136 (14%) | 108 (14%) |
| History of craniotomy | 234 (23%) | 205 (26%) |
| History of epilepsy | 259 (26%) | 250 (32%) |
| History of clotting disorders | 19 (2%) | 13 (2%) |
| History of thromboembolism | 40 (4%) | 32 (4%) |