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Table 3 Postoperative complications in patients with and without a cardiovascular intensive care unit readmission

From: Predicting cardiovascular intensive care unit readmission after cardiac surgery: derivation and validation of the Alberta Provincial Project for Outcomes Assessment in Coronary Heart Disease (APPROACH) cardiovascular intensive care unit clinical prediction model from a registry cohort of 10,799 surgical cases

  No readmission (n = 10,320) Readmission (n = 479) P value
Pulmonary complications    
  Prolonged mechanical ventilation (>24 hours) 18.4 57.3 <0.001
  Total mechanical ventilation, hours 22.5 92.9 <0.001
  Re-intubation 2.7 48.2 <0.001
  Acute respiratory distress syndrome 3.1 33.3 <0.001
  Pleural effusion 6.1 28.8 <0.001
  Chest tube insertion 4.1 16.0 <0.001
  Pulmonary embolism 0.2 1.3 0.001
Cardiac complications    
  Cardiac tamponade 1.7 11.1 <0.001
  Re-operation 3.3 16.9 <0.001
  Cardiac arrest 1.7 17.3 <0.001
  Heart block 2.0 7.5 <0.001
  Atrial fibrillation 26.9 48.6 <0.001
Infectious complications    
  Superficial sternal wound infection 3.6 9.2 <0.001
  Deep sternal wound infection 0.4 8.1 <0.001
  Leg venous harvest site infection 2.9 10.9 <0.001
  Pneumonia 12.0 53.3 <0.001
  Urinary tract infection 0.7 4.6 <0.001
  Sepsis (any source) 1.5 16.5 <0.001
Neurologic complications    
  Neurologic complicationa 1.5 7.5 <0.001
  Delirium 2.5 15.7 <0.001
Gastrointestinal complications    
  Bleeding 1.0 14.8 <0.001
  Mesenteric ischemia 0.5 4.4 <0.001
Renal complications    
  Renal failure 5.9 31.3 <0.001
  Postoperative dialysis 2.1 18.6 <0.001
  1. aNeurologic complication defined as: cerebrovascular accident, intracranial hemorrhage, coma ≥24 hours, encephalopathy, or paralysis.