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Table 3 Tube and patient outcomes by comparison groups

From: Comparing complications of small-bore chest tubes to large-bore chest tubes in the setting of delayed hemothorax: a retrospective multicenter cohort study

Variable, n (%)Large-BoreSmall-BoreP
Tube outcomesn = 72n = 191 
  ≥ 1 tube complication10 (14%)35 (18%)0.42
 Tube replaced6 (8%)8 (4%)0.22
 VATS4 (6%)00.005
 Tube fell out07 (4%)0.20
 Tube clogged1 (1%)8 (4%)0.45
 Pneumonia014 (7%)0.01
 Pleural empyema1 (1%)2 (1%)> 0.99
 Retained hemothorax3 (4%)5 (3%)0.69
Drainage metricsn = 22n = 100 
 Time from chest tube insertion until initial output measurement, LS mean (SE), hr12.8 (1.75)20.6 (0.86)< 0.001
 Initial output, LS mean (SE), mL738.0 (121.56)810.9 (57.02)0.59
 Rate of initial output, LS mean (SE), mL/hr213.4 (32.98)52.2 (15.47)< 0.001
Patient outcomesn = 60n = 160 
Total time on chest tube(s), LS mean (SE), hr144.6 (50.05)86.5 (28.80)0.32
Hospital LOS, LS mean (SE), day15.0 (1.26)15.1 (0.73)0.95
Patient returned to prior lung function a25 (42%)42 (36%)0.43
  1. VATS, video assisted thoracic surgery; CI, confidence interval; LS, least squares; SE, standard error; IQR, interquartile range; mL, milliliters; LOS, length of stay
  2. a Assessed at discharge by physical therapy; 42 small-bore patients missing data