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Table 3 Postoperative endpoints

From: Active clearance vs conventional management of chest tubes after cardiac surgery: a randomized controlled study

Variable ATC (n = 257) Standard (n = 263) p value
Atrial fibrillation 80 (31) 101 (38) 0.08
Retained blood complications
 Re-exploration 4 (1.6) 15 (5.7) 0.01
  Bleeding 3 (1.2) 6 (2.3) 0.50
  Tamponade 1 (0.4) 9 (3.4) 0.02
 Pericardial intervention 3 (1.2) 5 (1.9) 0.73
 Pleural intervention 9 (3.5) 8 (3.0) 0.75
 Composite (total interventions) 16 (6.2) 28 (10.6) 0.07
Readmission
 Any reason 28 (12) 24 (10) 0.51
 AF or retained blood complication 6 (3) 7 (3) 0.81
Postoperative allogeneic blood products 93 (36) 91 (35) 0.71
 Red blood cells 79 (31) 75 (29) 0.58
 Platelets 37 (14) 49 (19) 0.19
 Fresh frozen plasma 7 (3) 15 (6) 0.09
 Cryoprecipitate 2 (0.8) 11 (4.2) 0.01
Cardiac arrest 1 (< 1) 4 (2) 0.37
Stroke 4 (2) 4 (2) >0.99
Acute renal failure 7 (3) 6 (2) 0.81
Sternal infection
 Superficial 8 (3) 8 (3) 0.95
 Deep/Mediastinitis 10 (4) 4 (2) 0.09
Pneumonia 5 (2) 5 (2) >0.99
Drainage for pneumothorax 10 (4) 8 (3) 0.60
Total ventilation time (h) 8.02 (6.60; 10.3) 7.97 (6.60; 10.8) 0.70
Total ICU time (h) 31.9 (22.2; 68.5) 27.0 (21.5; 66.9) 0.27
Hospital length of stay (d) 5.0 (4.0; 7.0) 5.0 (4.0; 7.0) 0.16
In-hospital mortality 3 (1) 4 (2) >0.99
  1. Variables are presented as n (%) or median (IQR). AF, atrial fibrillation; ATC, active tube clearance
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