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Table 2 Surgical data on the two patient groups

From: Mid-term outcomes of modified valve-sparing aortic root replacement versus the Bentall procedure for middle-aged Chinese patients with acute DeBakey I aortic dissection: a single-center retrospective study

Valuables Group A (n = 117) Group B (n = 96) P value
Operative time (min) 282 (264, 350) 288 (255, 339) 0.686
CPB time (min) 136 (110, 166) 127 (112, 153) 0.418
aortic clamp time (min) 57.0 (47.5, 66.0) 55.0 (48.3, 76.8) 0.737
SBP time (min) 20.0 (18.0, 24.0) 20.5 (19.0, 23.0) 0.811
Intraoperative blood loss (mL) 300 (200, 400) 300 (200, 300) 0.434
Intraoperative red blood cell infusion (UL) 3.0 (2.0, 4.0) 3.0 (2.0, 4.0) 0.617
Valve operation procedure
Bentall with mechanical valve (%) 0 (0.0) 93 (96.9) N/A
Bentall with Bioprosthetic valves (%) 0 (0.0) 3 (3.1) N/A
VSARR (%) 117 (100.0) 0 (0.0) N/A
Concomitant procedure
Coronary artery bypass grafting 2 (1.7) 2 (2.1) 0.759
Mitral valve replacement 1 (0.9) 2 (2.1) 0.449
Tricuspid valvuloplasty 0 (0.0) 1 (1.0) 0.268
  1. Continuous variables were present as median (Q25, Q75) or mean ± SD. Chi-square test for categorical variables and t test or wilcoxon rank sum test for continuous variables