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Table 3 Comparison between COPD patient (control) and patient with failed weaning in the pulmonary group (B)

From: The role of diaphragmatic ultrasound as a predictor of successful extubation from mechanical ventilation in respiratory intensive care unit

Variables Failed weaning (n = 11) COPD (n = 40) p$
During tidal breathing
 DT Insp mm 18.12 16.5 36.1 69 < 0.001
 DT Expt (FRC) mm 13.79 16.4 31.8 88 < 0.001
 DTF% 39.20 22.10 39.50 23 0.04
 DE in cm 1.52 0.55 2.36 56 < 0.001
During deep breathing
 DT Insp (TLC) mm 28.27 56.6 55.3 57 < 0.001
 DT Exp (RV) mm 22.45 42.5 31.3 44 < 0.001
 DTF % 25.33 2.43 71.00 2.780 < 0.001
 DE in cm 2.95 1.24 3.74 1.35 0.04
  1. Numerical data is represented as mean and SD, N number, SD standard deviation, $independent t-test, p is considered significant if < 0.05