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Table 1 Comparison of patients depending on whether they received preoperative respiratory physiotherapy or not.

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

 

Preoperative physiotherapy

 
 

Yes

No

 
 

Mean

SD

Mean

SD

p

Age (years)

65.9

9.6

67.1

9.1

0.35

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

27.6

3.3

27.9

3.7

0.43

Creatinine (mg/dL)

1.1

0.3

1.1

0.3

0.68

Affected vessels

2.9

0.7

2.9

0.7

0.77

Ejection fraction (%)

59.7

14.2

59.7

14.7

0.99

Number of cigarettes smoked per day

23.3

13.7

20.0

12.7

0.64

Age at smoking initiation (years)

19.17

5.0

19.0

3.0

0.57

Years as a smoker

33.5

11.8

28.7

13.4

0.13

O2 saturation (%)

96.5

1.69

97.0

1.41

0.79

 

n

%

n

%

p

Sex

    

0.29

   Male

132/159

83.0%

81/104

77.9%

 

   Female

27/159

17.0%

23/104

22.1%

 

Dyslipidemia

106/159

66.7%

61/104

58.7%

0.19

Current exposure to tobacco

13/159

8.2%

5/104

4.8%

0.56

Diabetes Mellitus

51/158

32.3%

33/104

31.7%

0.93

  1. SD: standard deviation