Skip to main content

Table 4 Presence of atelectasis according to different variables

From: Respiratory physiotherapy and incidence of pulmonary complications in off-pump coronary artery bypass graft surgery: an observational follow-up study

 

Atelectasis

 
 

Yes

No

 
 

Mean

SD

Mean

SD

p

Age (years)

66.0

9.8

66.7

9.2

0.62

Creatinine Clearance (MDRD) (mL/min/1.73 m 2 )

77.4

24.4

75.0

22.1

0.53

Creatinine Clearance (Cockcroft-Gault) (mL/min)

75.9

22.1

73.5

24.2

0.54

Body Mass Index (BMI) (kg/m 2 )

27.7

3.4

27.7

3.5

0.97

Ejection fraction (%)

56.3

16.4

60.9

13.5

0.08

Prior peak expiratory flow (PEF) (L/min)

454.8

121.1

447.7

126.8

0.80

 

n

%

n

%

p

Sex

    

0.02

   Male

46/210

21.9%

164/210

78.1%

 

   Female

18/48

37.5%

30/48

62.5%

 

NYHA

    

0.01

   1

2/4

50.0%

2/4

50.0%

 

   2

4/24

16.7%

20/24

83.3%

 

   3

2/26

7.7%

24/26

92.3%

 

   4

3/3

100.0%

0/3

0.0%

 

COPD

    

0.34

   Yes

5/14

33.3%

9/14

66.7%

 

   No

59/242

24.4%

183/183

75.6%

 

Current smoker

    

0.90

   Yes

4/17

23.5%

13/17

76.5%

 

   No

60/241

24.8%

182/241

75.2%

 

Postoperative pain

    

0.55

   Yes

52/215

24.2%

163/215

75.8%

 

   No

12/42

28.6%

30/42

71.4%

 
  1. SD: standard deviation; NYHA: New York Heart Association (NYHA) Functional Classification; COPD: Chronic Obstructive Pulmonary Disease