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Table 3 Postoperative complications and additionally assessed variables

From: Health-related quality of life after cardiac surgery – the effects of age, preoperative conditions and postoperative complications

  Age ≤70 years Age >70 years p
Variables No. Mean % No. Mean %  
Inotropic drug support required 81   38.9 44   43.4 0.446
MI 4   1.9 1   1.0 0.543
CVA 10   0.5 7   6.9 0.001
Supraventricular arrhythmia 88   42.1 51   50.5 0.164
Ventricular arrhythmia 7   3.3 2   2.0 0.502
Renal failure 7   3.3 10   9.9 0.018
Infection 21   10.0 22   21.8 0.005
Reexploration for bleeding 7   3.3 3   3.0 0.862
Cognitive impairment 17   8.1 19   18.8 0.006
Ventilation problems 10   4.8 8   7.9 0.269
Sternal wound infection 8   3.8 4   4.0 1.000
Packed red blood cells (units)   2.1    3.1   0.012
Platelets (units)   0.3    0.2   0.731
Fresh frozen plasma (units)   1.6    2.4   0.090
Median ICU stay time (days) 2 (1 – 27)    2 (1 – 32)    0.095
Median hospital stay time (days) 7 (4 – 41)    8 (4 – 44)    0.661
  1. MI – myocardial infarction, CVA – cerebrovascular accident, Supraventricular arrhythmia – atrial fibrillation or atrial flutter, Ventricular arrhythmia – ventricular tachycardia or fibrillation, Renal failure – increase of serum creatinine > 80 mmol/l with or without need for temporary dialysis, Infection – infection of respiratory or urinary system, Cognitive impairment – psychomotor agitation with the necessity of therapeutic intervention, Ventilation problems – symptoms of partial and/or global respiratory failure with or without need for reintubation, ICU – intensive care unit.