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Table 2 Comparison of lung function and respiratory muscle strength and coughing ability of various groups

From: Effect of abdominal weight training with and without cough machine assistance on lung function in the patients with prolonged mechanical ventilation: a randomized trial

Variable

Group

Pre

Post

p value

Mean ± SD

Mean ± SD

RR (bpm)

A

24.25 ± 5.63

25.17 ± 4.06

0.503

B

25.79 ± 5.37

23.00 ± 4.57

0.131

C

26.14 ± 7.21

25.00 ± 6.84

0.550

RSBI

A

82.50 ± 39.87

70.25 ± 27.10

0.034*

B

90.14 ± 36.20

70.29 ± 26.46

0.055

C

97.79 ± 44.88

89.36 ± 38.60

0.730

TV (ml)

A

343.50 ± 132.90

404.58 ± 138.35

0.012*

B

315.21 ± 99.81

359.79 ± 104.27

0.167

C

278.07 ± 73.09

302.07 ± 73.14

0.258

VC (ml/kg)

A

9.95 ± 4.18

10.80 ± 3.36

0.433

B

10.88 ± 7.19

13.86 ± 7.63

0.023*

C

9.42 ± 6.34

9.38 ± 5.40

0.646

MIP (cmH2O)

A

30.50 ± 11.73

36.00 ± 10.79

0.011*

B

29.86 ± 12.14

36.14 ± 10.42

0.011*

C

28.43 ± 9.74

26.71 ± 10.77

0.666

MEP (cmH2O)

A

30.58 ± 15.19

41.50 ± 18.33

0.033*

B

27.29 ± 12.76

42.43 ± 16.96

< 0.001*

C

28.86 ± 10.25

29.57 ± 14.21

0.900

PEFR (L/min)

A

61.67 ± 15.72

62.92 ± 16.85

0.276

B

57.86 ± 10.51

72.14 ± 35.72

0.080

C

58.57 ± 16.10

61.07 ± 19.82

0.680

PCF (L/min)

A

105.83 ± 16.21

114.17 ± 15.20

0.011*

B

108.57 ± 18.85

131.79 ± 38.96

< 0.001*

C

108.57 ± 19.96

109.86 ± 17.44

0.753

  1. RR respiratory rate, RSBI rapid shallow breathing index, TV tidal volume, VC vital capacity, MIP/MIP maximal inspiratory/expiratory pressure, PEF peak expiratory flow, PCF peak cough flow
  2. A = Abdominal weight training, AWT group, B = cough machine assisted abdominal weight training, AWT + CM group, C = Control group
  3. Comparison of Lung Function and respiratory muscle changes (post-study vs pre-study)
  4.  *p < 0.05 are marked as bold
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Critical Care

ISSN: 1364-8535