Skip to main content

Table 1 Comparison of emergency aSAH patients between the current period and the respective time period last year

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

Characteristics Current Last year P valuea
No. of patients 42 18  
No. of aneurysms 45 19  
Sex (male) 24 (57.1) 8 (44.4) 0.366
Age, years 54.9 ± 8.6 49.4 ± 10.7 0.039*
Admission stratification
 Normal patient 34 (81.0)   
 Mild suspected patient 8 (19.0)   
 Suspected patient 0 (0.0)   
 Confirmed patient 0 (0.0)   
COVID-19 NAT (n = 12) (negative) 12 (100.0)   
False negative COVID-19 NAT 0 (0.0)   
Location of responsible aneurysm
 ACoA 13 (31.0) 7 (38.9) 0.585
 PCoA 15 (35.7) 5 (27.8)
 ACA 2 (4.8) 0 (0.0)
 MCA 11 (26.2) 6 (33.3)
 Others 1 (2.4) 0 (0.0)
Fisher grade 3.1 ± 1.1 2.9 ± 1.0 0.555
Modified Fisher grade 3.0 ± 1.1 3.1 ± 1.1 0.835
Hunt-Hess grade 1.9 ± 0.5 2.4 ± 0.6 0.003*
WFNS grade 2.7 ± 0.9 2.8 ± 1.1 0.690
GCS 12.9 ± 1.2 12.0 ± 2.3 0.367
Duration between rupture and craniotomy, hours 71.1 ± 55.2 40.7 ± 45.6 0.044*
Duration between admission and craniotomy, hours 37.1 ± 16.8 28.7 ± 11.7 0.058
Preoperative adverse events during hospitalization
 Rebleeding 0 (0.0) 0 (0.0) > 0.99
 Infarction 0 (0.0) 0 (0.0) > 0.99
 Epilepsy 2 (4.8) 1 (5.6) > 0.99
Duration of surgery, h 3.5 ± 1.0 4.1 ± 2.3 0.277
Intraoperative blood loss, ml 260.7 ± 238.0 258.3 ± 152.7 0.969
Mean hospital LOS, days 14.9 ± 8.8 17.4 ± 6.9 0.298
Hospitalization cost, dollarsb 13385.6 ± 6973.4 14006.1 ± 5640.4 0.740
Postoperative complications
 Postoperative hemorrhage 0 (0.0) 1 (5.6) 0.660
 Postoperative DCI 13 (31.0) 8 (44.4) 0.315
 Postoperative DVT 10 (23.8) 1 (5.6) 0.190
 Postoperative intracranial infection 5 (11.9) 4 (22.2) 0.528
Discharge mRS score
 Mean 1.9 ± 1.6 2.1 ± 1.6 0.779
 0–2 29 (69.0) 12 (66.7) 0.856
 3–6 13 (31.0) 6 (33.3)
  1. Values are numbers of cases (%) unless otherwise indicated. Mean values are presented with SDs
  2. ACA anterior cerebral artery, ACoA anterior communicating aneurysm, aSAH aneurysmal subarachnoid hemorrhage, COVID-19 coronavirus disease 2019, CT computed tomography, DCI delayed cerebral ischemia, DVT deep vein thrombosis, GCS Glasgow Coma Scale, LOS length of stay, MCA middle cerebral artery, mRS modified Rankin Scale, NAT nucleic acid testing, PCA posterior cerebral artery, WFNS World Federation of Neurological Surgeons
  3. aP values indicate differences between the current period and the respective time period, and P less than 0.05 was considered statistically significant
  4. bThe exchange rate between RMB and USD is 1 USD = 7.0942 RMB
  5. *Statistical significance (p < 0.05)