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Table 4 Univariate analysis of pre-, intra-, and postoperative variables with respect to patient mortality

From: Outcomes in patients undergoing complex cardiac repairs with cross clamp times over 300 minutes

Variable All Deaths
p-value (n = 72)
Mid-term Deathsa
p-value (n = 47)
Operative Deaths
p-value (n = 25)
Erab 0.162 0.024 0.393
Preoperative    
 Gender 0.001 0.066 0.009
 Statusc 0.186 0.691 0.157
 Left main discharge >50 0.071 0.313 0.183
 Patient Age 0.015 0.066 0.322
 Angina 0.137 0.0497 0.699
 Diabetes 0.375 0.750 0.378
 Smoker 0.898 0.344 0.161
 First operation vs. reoperation 0.521 0.478 >0.999
 NYHA score 0.078 0.248 0.210
Intraoperative    
 Surgery typed 0.890 0.283 0.240
 Perioperative MI 0.130 0.232 0.413
 Perfusion time <0.001 0.018 0.045
 Cross clamp time 0.002 0.006 0.509
Postoperative    
 Deep sternal infection - >0.999 -
 Stroke - 0.392 -
 Bleeding requiring reoperation - >0.999 -
 Atrial fibrillation - >0.999 -
 Pneumonia - >0.999 -
 Ventilation >48 h - 0.002 -
 Renal failure - 0.587 -
 Ventilation time - 0.026 -
 Total ICU stay - 0.002 -
 Length of hospital stay - 0.001 -
 ICU readmission - >0.999 -
  1. NYHA New York Heart Association, MI myocardial infarction, ICU intensive care unit
  2. aAll mid-term deaths were more than 30 days following the operation
  3. bSurgeries from 2001–2006 were compared to those from 2007–2012; the former time period was the reference category emergent vs. elective procedures
  4. cEmergent vs. elective procedures
  5. dSurgeries including coronary artery bypass grafts (CABGs) were compared to those that did not