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Table 10 Comparison between conventional oxygen therapy subgroups in both groups A and B as regards demographic data and clinical statistics

From: High-flow nasal oxygen therapy versus conventional oxygen therapy and non-invasive mechanical ventilation in patients with acute respiratory failure and post-mechanical ventilation

 

Group A

Group B

ta

p value

Mean

SD

Mean

SD

Age

55.83

18.53

59.96

12.31

0.890

0.378

 

N

%

N

%

χ2b

p value

Gender

 Male

13

56.5%

18

78.3%

2.473

0.116

 Female

10

43.5%

5

21.7%

 

Group A

Group B

χ2b

p value

N

%

N

%

Type of lung disease

 Restrictive

15

65.2%

9

39.1%

3.136

0.077

 Obstructive

8

34.8%

14

60.9%

 

Group A

Group B

χ2b

p value

N

%

N

%

Comorbidity

 Yes

10

43.5%

11

47.8%

0.088

0.767

 No

13

56.5%

12

52.2%

 

Group A

Group B

χ2b

p value

N

%

N

%

Type of respiratory failure

 Type I

14

60.9%

7

30.4%

4.293

0.038

 Type II

9

39.1%

16

69.6%

 

Group A

Group B

ta

p value

Mean

SD

Mean

SD

Days of mechanical ventilation

3.50

3.38

3.35

2.10

0.150

0.882

Days of ICU stay

6.30

4.89

7.48

4.01

0.890

0.378

 

N

%

N

%

χ2b

p value

Comfort

 Yes

17

73.9%

17

73.9%

0.00

1.00

 No

6

26.1%

6

26.1%

Mechanical ventilation

 Yes

8

34.8%

5

21.7%

0.965

0.326

 No

15

65.2%

18

78.3%

Cause of discharge

 Death

7

30.4%

5

21.7%

0.451

0.502

 Improve

16

69.6%

18

78.3%

  1. aStudent’s t test
  2. bChi-square test (FE)