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Table 1 Demographic and preoperative characteristics

From: Effect of different types of cerebral perfusion for acute type A aortic dissection undergoing aortic arch procedure, unilateral versus bilateral

Variable u-ACP (n = 124) b-ACP (n = 197) p value
Age (year, \(\overline{x}\) ± s) 55.38 ± 10.40 54.00 ± 9.37 0.646
Male (n, %) 85 (68.5%) 139 (70.6%) 0.822
BMI (kg/m2, \(\overline{x}\) ± s) 24.58 ± 1.25 25.21 ± 1.44 0.148
Hypertension (n, %) 94 (76.3%) 157 (80.1%) 0.615
Diabetes mellitus (n, %) 16 (12.9%) 43 (21.8%) 0.433
COPD (n, %) 3 (2.4%) 7 (3.6%) 0.746
Cerebrovascular disease history (n, %) 23 (18.5%) 37 (18.8%) 0.958
Renal dysfunction (n, %)a 5 (4.0%) 12 (6.1%) 0.423
Hemodynamic instability 4 (3.2%) 9 (4.6%) 0.552
Results of CT scan
 Arch tear 105 152 0.361
 Carotid dissection 6 8  
 Aortic arch aneurysm 13 37  
Preoperative neurological complication (n, %) 5 (4.0%) 11 (5.6%) 0.534
Preoperative intubation (n, %) 6 (4.8%) 10 (5.1%) 0.666
LVEF < 0.4 (n, %) 4 (3.2%) 10 (5.1%) 0.578
  1. p < 0.05 is considered as statistically significant
  2. u-ACP unilateral antegrade cerebral perfusion, b-ACP bilateral antegrade cerebral perfusion, COPD chronic obstructive pulmonary disease
  3. aA serum creatinine level > 97 μmol/L is considered to indicate renal dysfunction