Table 1 Baseline characteristics of groups (after propensity score matching). Values are depicted as number (%), mean ± SD or median (IQR).
Variable | HEP + TF (n = 40) | HEP (n = 76) | SMD | Variance ratio | |
|---|---|---|---|---|---|
Age (yrs) | 53.7 ± 14.1 | 54.1 ± 14.2 | 0.03 | 1.0 | |
Pre-procedural Hunt and Hess grade | 2 (IQR, 1.5-3) | 2 (IQR, 1–3) | |||
Pre-existing intracerebral bleeding | 7 (17.5%) | 15 (19.7%) | 0.1 | 0.9 | |
Antiplatelet premedication | 2 (5.4%)§1 | 7 (10.3%)§2 | 0.2 | 0.6 | |
Anticoagulant premedication | 1 (2.5%) | 2 (2.8%)*2 | 0.02 | 0.9 | |
Pre-procedural EVD | 25 (62.5%) | 45 (59.2%) | 0.1 | 1.0 | |
Irregular morphology | 23 (57.5%) | 42 (55.3%) | 0.05 | 1.0 | |
Neck size (mm) | 2.7 (IQR, 2.1–3.5) | 2.5 (IQR, 2-3.5) | 0.003 | 0.6 | |
Aneurysm size (mm) | 6.2 (IQR, 4-8.6) | 5.8 (IQR, 4.2–8.8) | 0.02 | 1.0 | |
Procedure time (hours) | 3.5 (IQR, 2.5–4.4) | 3.0 (IQR, 2.5–4.1) | 0.2 | 1.6 | |
Delayed timing of treatment after SAH | 11 (27.5%) | 20 (26.3%) | 0.03 | 1.0 | |
Location | |||||
1 | Internal carotid artery | 7 (17.5%) | 12 (15.8%) | ||
2 | Posterior communicating artery | 5 (12.5%) | 12 (15.8%) | ||
3 | Anterior choroidal artery | 0 | 1 (1.3%) | ||
4 | Middle cerebral artery | 1 (2.5%) | 2 (2.6%) | ||
5 | Anterior cerebral artery | 0 | 2 (2.6%) | ||
6 | Anterior communicating artery | 19 (47.5%) | 30 (39.5%) | ||
7 | Vertebral artery | 1 (2.5%) | 3 (4%) | ||
8 | Basilar artery | 5 (12.5%) | 10 (13.2%) | ||
9 | Posterior cerebral artery | 0 | 0 | ||
10 | Posterior inferior cerebellar artery | 1 (2.5%) | 4 (5.3%) | ||
11 | Superior cerebellar artery | 1 (2.5%) | 0 | ||
12 | Anterior inferior cerebellar artery | 0 | 0 | ||
