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Table 4 Visual inspection of chest tubes

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

Variable ATC (n = 57) Standard (n = 43) p value
Mediastinal #1a chest tube obstruction    0.01
 None 42 (74) 26 (60)  
 Partial 14 (25) 9 (21)  
 Complete 1 (2) 8 (19)  
Mediastinal #2 chest tube obstruction    >0.99
 None 7 (58) 4 (57)  
 Partial 2 (17) 2 (29)  
 Complete 3 (25) 1 (14)  
Right pleural chest tube obstruction    >0.99
 None 11 (85) 17 (89)  
 Partial 1 (8) 1 (5)  
 Complete 1 (8) 1 (5)  
Left pleural chest tube obstruction    0.72
 None 27 (82) 22 (88)  
 Partial 6 (18) 3 (12)  
 Complete 0 (0) 0 (0)  
  1. Variables are presented as n (%)
  2. ATC active tube clearance
  3. a Mediastinal #1 chest tube in the ATC group is always a PleuraFlow® device
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