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Table 3 Basic clinical characteristics of patients with coagulation dysfunction

From: Risk factors of acute coagulation dysfunction after aneurysmal subarachnoid hemorrhage

General information Hypocoagulopathy 40 cases Hypercoagulopathy 11 cases χ2 value P value
Age
 < 65 years 28 9 0.605 0.437
 ≥ 65 years 12 2   
Sex
 Male 14 6 1.383 0.240
 Female 26 5   
Smoking
 Yes 3 2 1.113 0.291
 No 37 9   
Alcohol
 Yes 1 0 0.281 0.596
 No 39 11   
Hypertension
 Yes 14 5 0.403 0.525
 No 26 6   
Diabetes
 Yes 2 1 0.261 0.610
 No 38 10   
Hunt-Hess grade
 I–III 35 7 3.381 0.066
 IV–V 5 4   
Fisher grade
 1–2 18 2 2.603 0.107
 3–4 22 9   
Operation time
 ≤ 3 h 14 9 5.987 0.014
 > 3 h 26 3   
Intraoperative total infusion volume
 ≤ 2000 ml 4 3 15.321 0.000
 2000–4000 ml 28 4   
 ≥ 4000 ml 8 4   
Intraoperative blood loss
 ≤ 300 ml 7 8 6.394 0.041
 300–600 ml 20 1   
 ≥ 600 ml 13 2   
Intraoperative transfusion
 Yes 9 1 0.984 0.321
 No 31 10   
Intraoperative hemostatic drug
 Yes 6 3 0.894 0.344
 No 34 8   
Calcium reduction
 ≤ 0 mg/dl 2 1 39.707 0.000
 0–1.20 mg/dl 21 10   
 ≥ 1.20 mg/dl 17 0