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Table 4 Comparison of emergency aSAH patients with/without COVID-19 NAT

From: Management protocol for emergency aneurysm craniotomy clipping in non-major COVID-19 epidemic areas in Beijing, China

Characteristics Absent Accept P valuea
No. of patients 30 12  
No. of aneurysms 32 13  
Sex (male) 16 (53.3) 8 (66.7) 0.430
Age, years 55.1 ± 8.3 54.5 ± 9.5 0.840
Admission stratification
 Normal patient 26 (86.7) 8 (66.7) 0.151
 Mild suspected patient 4 (13.3) 4 (33.3)
 Suspected patient 0 (0.0) 0 (0.0)
 Confirmed patient 0 (0.0) 0 (0.0)
Location of responsible aneurysm
 ACoA 8 (26.7) 5 (41.7) 0.675
 PCoA 11 (36.7) 4 (33.3)
 ACA 1 (3.3) 1 (8.3)
 MCA 9 (30.0) 2 (16.7)
 Others 1 (3.3) 0 (0.0)
Fisher grade 3.2 ± 1.0 2.9 ± 1.2 0.442
Modified Fisher grade 3.2 ± 1.1 2.8 ± 1.1 0.264
Hunt-Hess grade 1.9 ± 0.5 1.9 ± 0.5 0.928
WFNS grade 2.7 ± 0.9 2.8 ± 1.0 0.601
GCS 12.8 ± 1.3 13.1 ± 1.0 0.550
Duration between rupture and craniotomy, h 71.7 ± 55.3 70.0 ± 57.4 0.931
Duration between admission and craniotomy, h 35.9 ± 15.3 40.2 ± 20.4 0.453
Preoperative hospitalized adverse events
 Rebleeding 0 (0.0) 0 (0.0) > 0.99
 Infarction 0 (0.0) 0 (0.0) > 0.99
 Epilepsy 1 (3.3) 1 (8.3) 0.513
Duration of surgery, h 3.5 ± 0.9 3.5 ± 1.2 0.913
Intraoperative blood loss, ml 236.7 ± 130.6 320.8 ± 400.8 0.490
Mean hospital LOS, days 14.4 ± 9.7 16.3 ± 6.4 0.547
Hospitalization cost, dollarsb 14,268.4 ± 7811.7 11,178.5 ± 3596.8 0.198
Postoperative complications
 Postoperative hemorrhage 0 (0.0) 0 (0.0) > 0.99
 Postoperative DCI 9 (30.0) 4 (33.3) 0.833
 Postoperative DVT 8 (26.7) 2 (16.7) 0.481
 Postoperative intracranial infection 3 (10.0) 2 (16.7) 0.558
Discharge mRS score
 Mean 2.0 ± 1.6 1.8 ± 1.5 0.653
 0–2 20 (66.7) 9 (75.0) 0.874
 3–6 10 (33.3) 3 (25.0)
  1. Values are numbers of cases (%) unless otherwise indicated. Mean values are presented with SDs
  2. aSAH aneurysmal subarachnoid hemorrhage, COVID-19 coronavirus disease 2019, DCI delayed cerebral ischemia, DVT deep vein thrombosis, LOS length of stay, mRS modified Rankin Scale, NAT nucleic acid test
  3. aP values indicate differences between patients with or without COVID-19 NAT, and P less than 0.05 was considered statistically significant
  4. bThe exchange rate between RMB and USD is 1 USD = 7.0942 RMB