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Table 6 a comparison between groups of diaphragmatic dysfunction and non- diaphragmatic dysfunction

From: Diaphragmatic parameters by ultrasonography for predicting weaning outcomes

Parameters

Diaphragmatic dysfunction (n = 19)

Non-diaphragmatic dysfunction (n = 43)

P value

95% CI

TV (mean ± SD, ml.)

318.68 ± 83.46

452.33 ± 218.34

<  0.05

29.87 to 237.41

VC (mean ± SD, L.)

838.89 ± 263.77

1019.30 ± 480.77

NS

−60.93 to 421.76

RSBI

79.53 ± 40.24

51.67 ± 25.63

< 0.01

−44.81to −10.92

PIMAX (mean ± SD, mmHg)

33.72 ± 11.08

43.63 ± 17.45

< 0.05

0.98 to 18.83

TPIAdia (mean ± SD, second)

0.99 ± 0.33

1.31 ± 0.39

< 0.01

0.12 to 0.53

DTD (mean ± SD, mm.)

0.75 ± 0.50

1.08 ± 0.47

< 0.05

0.66 to 5.92

TFdi (mean ± SD,%)

25 ± 12

40 ± 16

< 0.01

6.79 to 23.69

  1. TV Tidal volume, VC vital capacity, RSBI rapid shallow breathing index, PIMAX Maximum peak inspiratory pressure, TPIAdia time to peak inspiratory amplitude, DTD diaphragmatic thickness difference, TFdi diaphragm thickening fraction