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Table 2 Operation data

From: The elevated admission white blood cell count relates to adverse surgical outcome of acute Stanford type a aortic dissection

VariablesGroup IGroup IIP value
n = 149n = 182
Sinus tear (%)33 (22.1)55 (30.2)0.098
Bentall (%)46 (30.9)61 (33.5)0.609
CABG (%)12 (8.1)13 (7.1)0.755
Operation time (min)
 Mean ± SD494.4 ± 110.0510.7 ± 121.40.837
 Median (IQR)494.0 (421.5–560.0)501.0 (435.0–572.0) 
CPB time (min)
 Mean ± SD221.8 ± 60.4228.3 ± 62.90.193
 Median (IQR)217.0 (184.5–251.0)223.5 (200.0–254.3) 
Cross-clamping (min)120.2 ± 33.0119.9 ± 30.60.937
AVR (%)86 (57.7)114 (62.6)0.363
HAR (%)13 (8.7)7 (3.8)0.064
TAR (%)92 (61.7)136 (74.7)0.011
Arch debranching (%)26 (17.4)24 (13.2)0.281
Transfusion
 RBC (U)
  Mean ± SD7.0 ± 6.48.4 ± 7.50.549
  Median (IQR)5.3 (3.0–9.6)7.0 (3.5–11.0) 
Plasma (ml)
 Mean ± SD946.0 ± 761.61278.6 ± 1110.80.036
 Median (IQR)900.0 (300.0–1400.0)900.0 (450.0–1800.0) 
  1. AVR aortic valve resuspension, CABG coronary artery bypass graft, CPB cardiopulmonary bypass, HAR hemi-arch replacement, IQR interquartile range, SD standard deviation, TAR total arch replacement, RBC red blood cell
  2. Group I: normal WBCc group, Group II: leukocytosis group
  3. Note: P-value< 0.05 is highlighted in bold type