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Table 1 Patient population profile (Survivors and non-survivors)

From: Erratum to: Development of the Post Cardiac Surgery (POCAS) prognostic score

Variable Survivors (N = 829) Non survivors (N = 80) P value
Preoperative factors
 Age, years 66.3 ± 11.2 68.9 ± 11.3 0.05
 Sex, M/F male gender 574 (69.2) 48 (60) 0.09
 Peso, kg 72.7 ± 15 71.9 ± 11.4 0.69
 Talla, cm 163.3 ± 9 162.3 ± 8.9 0.34
 Hypertension 449 (54.2) 50 (62.5) 0.15
 Atrial fibrillation 167 (20.1) 23 (28.8) 0.07
 Diabetes mellitus 198 (23.9) 20 (25) 0.82
 Obesity 132 (15.9) 12 (15) 0.82
 Smoking 114 (13.8) 6 (7.5) 0.11
 Drinking alcohol 50 (6) 2 (2.5) 0.19
 Hepatic disease 23 (2.8) 3 (3.8) 0.61
 Respiratory disease 93 (11.2) 15(18.8) 0.04
 Chronic renal failure 50 (6) 11 (13.8) 0.008
 Immunosuppression 23 (2.8) 4 (5.0) 0.26
 Previous cardiac surgery 79 (9.5) 11 (13.8) 0.61
 Emergent surgery 70 (8.4) 23 (28.8) 0.0001
Perioperative factors
 Left ventricle ejection fraction 56.8 ± 11.5 49.6 ± 13.6 0.0001
 Valve 455 (54.9) 47 (58.8) 0.5
 CABG 399 (48.1) 39 (48.8) 0.91
 Valve + CABG 109 (13.1) 20 (25.0) 0.004
 Total CPB time. min 105.3 ± 44.29 156.1 ± 77.7 0.0001
 Aortic cross-clamp time, min 77.3 ± 37.04 106.9 ± 56.7 0.0001
Postoperative value
 Duration of mechanical ventilation, days 25.23 ± 62.59 19.75 ± 31.43 0.81
 Reintubation 25 (3) 16 (20) 0.0001
 Politrasfusion 254 (30.6) 25 (31.3) 0.640
 Acute renal failure 67 (8.1) 36 (45.0) 0.0001
 Reintervención 21 (2.5) 13 (16.3) 0.0001
 Intra-aortic balloon pump 32 (3.9) 27 (33.8) 0.0001
 Pneumonia 35 (4.2) 15 (18.8) 0.0001
 Surgical site infections 25 (3) 1 (1.3) 0.36
 Preoperative hospitalization, days 18.2 ± 15.5 10.6 ± 11.3 0.0001
 Mean ICU stay, days 4.7 ± 12.1 14.3 ± 20.9 0.0001
 Duration of hospitalization after surgery, days 22.8 ± 20.9 24.9 ± 23.7 0.43
Risk score
 Additive EuroSCORE, points 4.5 ± 2.8 7.4 ± 4.5 0.0001
 Logistic EuroSCORE, points 5.4 ± 6.2 16.7 ± 18.5 0.0001
 ACEF score, points 1.2 ± 0.4 1.7 ± 0.6 0.0001
 SOFA score, points 5.5 ± 1.7 7.7 ± 1.7 0.0001
 SAP II score, points 28.9 ± 8.7 43.0 ± 11.6 0.0001
 APACHE II score, points 13.3 ± 3.8 18.3 ± 5.6 0.0001
  1. Values are expressed as numbers (n), percentages (%), and means ± SD
  2. APACHE II Acute Physiology and Chronic Health Evaluation II, CABG coronary artery bypass graft, CPB cardiopulmonary bypass