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Table 3 Pulmonary complications

From: Using an incentive spirometer reduces pulmonary complications in patients with traumatic rib fractures: a randomized controlled trial

 Whole cohortControlStudyt-testp value
N = 50n = 26n = 24
Pulmonary complications   11.538.001*
 No22 (44%)5 (19.2%)17 (70.8%)  
 Yes28 (56%)21 (80.7%)7 (29.2%)  
Pneumothorax   0.942.332
 No49 (98%)25 (96.2%)24 (100%)  
 Yes1 (2%)1 (3.8%)0  
Hemothorax   8.013.005*
 No25 (50%)8 (30.8%)17 (70.8%)  
 Yes25 (50%)18 (69.2%)7 (29.2%)  
Pneumonia
 No50 (100%)26 (100%)24 (100%)  
 Yes000  
Atelectasis   1.923.166
 No48 (96%)24 (92.3%)24 (100%)  
 Yes2 (4%)2 (7.7%)0  
Tube thoracostomy5 (10%)5 (19.2%)05.128.051
  1. *p < 0.05