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Table 1 Baseline patient and aneurysm characteristics

From: Intraoperative indocyanine green video angiography (ICG–VA) with FLOW 800 software in complex intracranial aneurysm surgery

Variable Value (n = 32)
Age (years)
Mean ± SD 53.91 ± 14.45
Range 17–77
Gender (%)
 Female 27 (84%)
 Male 5 (16%)
SAH (%) 16 (50%)
GCS (%)
 0–3 0 (0%)
 4–6 2 (6%)
 7–9 2 (6%)
 10–12 3 (9%)
 13–15 25 (78%)
Hunt-Hess grade (%)
 0 (unruptured) 16 (50%)
 1 5 (16%)
 2 4 (12%)
 3 5 (16%)
 4 2 (6%)
 5 0 (0%)
mRS (%)
 0 0 (0%)
 1 11 (34%)
 2 8 (25%)
 3 3 (9%)
 4 3 (9%)
 5 7 (22%)
Aneurysm number 42
Aneurysm size (mm)  
Mean ± SD 16.81 ± 16.25
Range 1.6–74.7
Complexity (one aneurysm may have several complexity)
 Giant (≥ 25 mm) 6
 Large (15 mm–25 mm) 6
 Difficult locations 14
 Presence of collateral circulation 4
 Intraluminal thrombus 3
 Calcification of wall 3
 Previous treatment 2
 Others 8
  Multiple aneurysms requiring simultaneous management 5 (patients)
  With sellar tumor 1
  Wide neck 1
  Dissecting aneurysm 1
Aneurysm location (%)
 Anterior circulation 32 (76%)
AComA 3 (7%)
 MCA 9 (21%)
 ICA-PComA 7 (17%)
  ICA 13 (31%)
Posterior circulation 10 (24%)
 PICA 1 (2%)
 AICA 2 (5%)
 PCA 2 (5%)
 SCA 1 (2%)
 BA 4 (10%)
  1. SD = standard deviation, SAH = subarachnoid hemorrhage, GCS = Glasgow Coma Scale, mRS = modified Rankin score, AVM = arteriovenous malformation, AComA = anterior communicating artery, MCA = middle cerebral artery, ICA = internal carotid artery, PComA = posterior communicating artery, PICA = posterior inferior cerebellar artery, AICA = anterior inferior cerebellar artery, PCA = posterior cerebral artery, SCA = superior cerebellar artery, BA = basilar artery