Skip to main content
. Author manuscript; available in PMC: 2024 Aug 1.
Published in final edited form as: Clin Neurol Neurosurg. 2023 Jun 7;231:107822. doi: 10.1016/j.clineuro.2023.107822

Table 1.

Demographics and clinical characteristics of all patients who received treatment for aneurysmal subarachnoid hemorrhage from 2016–2020.

No Symptomatic Thromboembolic Complications (n=161) Symptomatic Thromboembolic Complications (n=33) p-value
Age (mean years) (SD) 56.0 (14.2) 55.5 (13.3) 0.84
Gender 0.04
  Female (%) 119 (74) 18 (55)
  Male (%) 42 (26) 15 (45)
Race 0.53
  White (%) 70 (43) 15 (45)
  Black (%) 59 (37) 15 (45)
  Hispanic (%) 15 (10) 2 (6)
  Other (%) 15 (10) 1 (3)
BMI (mean) (SD) 28.2 (6.9) 26.5 (8.9) 0.31
Hunt Hess Score <0.01
  2 or less (%) 87 (51) 9 (27)
  >2 (%) 74 (49) 24 (73)
Glasgow Coma Scale <0.01
  >12 (%) 114 (71) 14 (42)
  8 to 12 (%) 17 (11) 11 (33)
  <8 (%) 30 (19) 8 (24)
IVH (%) 103 (64) 27 (82) 0.07
ICH (%) 37 (23) 14 (42) 0.04
Hydrocephalus requiring EVD (%) 59 (37) 25 (76) <0.01
Craniotomy (%) 72 (45) 18 (56) 0.40
Coiling (%) 86 (53) 15 (45) 0.52
Mechanical Ventilation (%) 54 (34) 22 (67) <0.01
Pre-operative anti-coagulant or anti-platelet use (%) 27 (17) 8 (24) 0.44
Received Platelet Infusion (%) 34 (21) 12 (36) 0.10
Number of aneurysms treated 0.47
  1 (%) 130 (81) 29 (88)
  >1 (%) 31 (19) 4 (12)
Received ASA post-operatively (%) 55 (34) 7 (21) 0.21
New hemorrhage post-operatively (%) 11 (7) 6 (18) 0.08
Time to heparin administration from admission (median hours) (SD) 52.0 (31.0) 59.9 (24.4) 0.80
Heparin Dose Administered 0.17
  5000 U SQ every 12 hours (%) 42 (26) 8 (24)
  5000 U SQ every 8 hours (%) 115 (71) 22 (67)
  Other (%) 4 (2) 3 (9)
Delayed heparinization (%) 72 (46) 23 (70) 0.02

BMI, body mass index; EVD, external ventricular drain; ICH, intracerebral hemorrhage; IVH, intraventricular hemorrhage; SD, standard deviation; SQ, subcutaneously

Bolded values indicate statistical significance (p<0.05)