Cardiol Res

Cardiology Research, ISSN 1923-2829 print, 1923-2837 online, Open Access

Article copyright, the authors; Journal compilation copyright, Cardiol Res and Elmer Press Inc

Journal website https://www.cardiologyres.org

Original Article

Volume 5, Number 1, February 2014, pages 30-37

Effect of Off-Pump Coronary Artery Bypass Surgery on Patients’ Quality of Life

**Table 1.** Comparison of Pre-Operative and Post-Operative Quality of Life Scores
uality of life	Post-operation Mean ± SD	Pre-operation Mean ± SD	P
Energy	2.02 ± 0.98	2.05 ± 0.97	0.85
Pain	3.21 ± 2.64	3.20 ± 2.64	0.96
Emotional reaction	4.07 ± 2.60	4.10 ± 2.60	0.87
Sleep	1.46 ± 1.81	2.61 ± 1.46	0.98
Social isolation	1.46 ± 1.81	1.47 ± 1.54	0.8
Physical activity	3.50 ± 1.90	3.44 ± 1.90	0.68
Total	17.95 ± 8.77	17.58 ± 8.84	0.49

Table 1. Comparison of Pre-Operative and Post-Operative Quality of Life Scores

uality of life

Post-operation
Mean ± SD

Pre-operation
Mean ± SD

Energy

2.02 ± 0.98

2.05 ± 0.97

0.85

Pain

3.21 ± 2.64

3.20 ± 2.64

0.96

Emotional reaction

4.07 ± 2.60

4.10 ± 2.60

0.87

Sleep

1.46 ± 1.81

2.61 ± 1.46

0.98

Social isolation

1.46 ± 1.81

1.47 ± 1.54

0.8

Physical activity

3.50 ± 1.90

3.44 ± 1.90

0.68

Total

17.95 ± 8.77

17.58 ± 8.84

0.49

**Table 2.** Comparison of the Mean Change of the Pre-Operative and Post-Operative Quality of Life Scores By Gender and Age Group
Quality of life	Pre-operation Mean ± SD	Post-operation Mean ± SD	Mean change Pre- and post-operation	P
Energy	Gender	Male	1.91 ± 0.97	2.06 ± 0.99	0.15 ± 1.29	0.001
		Female	2.55 ± 0.75	1.92 ± 0.98	-0.58 ± 1.16
	Age group (years)	< 50	2.36 ± 0.85	1.95 ± 1.03	-0.4 ± 1.1	0.02
		> 50	1.93 ± 0.99	2.02 ± 0.98	0.12 ± 3. 6
Pain	Gender	Male	2.94 ± 2.58	3.27 ± 2.72	0.394 ± 3.53	0.014
		Female	4.06 ± 2.74	2.92 ± 2.37	-1.15 ± 3.77
	Age group (years)	< 50	4.17 ± 2.67	2.36 ± 2.19	-1.8 ± 3.09	> 0.001
		> 50	2.79 ± 2.53	3.41 ± 2.69	0.63 ± 2.60
Emotional reaction	Gender	Male	3.73 ± 2.53	4.26 ± 2.63	0.54 ± 3.48	> 0.001
		Female	5.36 ± 2.43	3.55 ± 2.47	-1.89 ± 3.7
	Age group (years)	< 50	4.63 ± 2.51	3.32 ± 2.56	-1.44 ± 2.89	0.004
		> 50	3.90 ± 2.61	4.28 ± 2.54	3.82 ± 0.38
Sleep	Gender	Male	2.6 ± 1.49	2.76 ± 1.48	0.18 ± 2.15	0.06
		Female	2.66 ± 1.44	2.19 ± 1.46	-0.49 ± 1.75
	Age group (years)	< 50	2.68 ± 1.49	2.49 ± 1.35	2.04 ± 0.17	0.52
		> 50	2.58 ± 1.47	2.65 ± 1.53	-0.06 ± 2.11
Social isolation	Gender	Male	1.23 ± 1.42	1.45 ± 1.45	0.22 ± 1.94	0.002
		Female	2.25 ± 1.65	1.44 ± 1.55	-0.87 ± 2.41
	Age group (years)	< 50	1.73 ± 1.4	1.19 ± 1.39	-0.61 ± 1.52	0.032
		> 50	1.34 ± 1.56	1.51 ± 1.49	0.15 ± 2.23
Physical activity	Gender	Male	3.25 ± 1.83	3.5 ± 1.95	0.39 ± 2.6	0.005
		Female	4.15 ± 1.93	3.36 ± 1. 7	-0.91 ± 2.57
	Age group (years)	< 50	3.69 ± 1.99	3.02 ± 1.92	0.63 ± 2.47	0.039
		> 50	3.33 ± 1.86	3.61 ± 1.85	0.31 ± 2.75
Total	Gender	Male	16.4 ± 8.52	18.56 ± 8.96	2.64 ± 11.78	> 0.001
		Female	21.75 ± 8.52	16.12 ± 8.19	-5.53 ± 12
	Age group (years)	< 50	20.06 ± 8.46	15.59 ± 8.56	-4.64 ± 9.5	0.003
		> 50	16.5 ± 8.2	18.44 ± 8.6	2.22 ± 12.79

Table 2. Comparison of the Mean Change of the Pre-Operative and Post-Operative Quality of Life Scores By Gender and Age Group

Quality of life

Pre-operation
Mean ± SD

Post-operation
Mean ± SD

Mean change
Pre- and post-operation

Aspects

Compared variable

Energy

Gender

Male

1.91 ± 0.97

2.06 ± 0.99

0.15 ± 1.29

0.001

Female

2.55 ± 0.75

1.92 ± 0.98

-0.58 ± 1.16

Age group (years)

< 50

2.36 ± 0.85

1.95 ± 1.03

-0.4 ± 1.1

0.02

> 50

1.93 ± 0.99

2.02 ± 0.98

0.12 ± 3. 6

Pain

Gender

Male

2.94 ± 2.58

3.27 ± 2.72

0.394 ± 3.53

0.014

Female

4.06 ± 2.74

2.92 ± 2.37

-1.15 ± 3.77

Age group (years)

< 50

4.17 ± 2.67

2.36 ± 2.19

-1.8 ± 3.09

> 0.001

> 50

2.79 ± 2.53

3.41 ± 2.69

0.63 ± 2.60

Emotional reaction

Gender

Male

3.73 ± 2.53

4.26 ± 2.63

0.54 ± 3.48

> 0.001

Female

5.36 ± 2.43

3.55 ± 2.47

-1.89 ± 3.7

Age group (years)

< 50

4.63 ± 2.51

3.32 ± 2.56

-1.44 ± 2.89

0.004

> 50

3.90 ± 2.61

4.28 ± 2.54

3.82 ± 0.38

Sleep

Gender

Male

2.6 ± 1.49

2.76 ± 1.48

0.18 ± 2.15

0.06

Female

2.66 ± 1.44

2.19 ± 1.46

-0.49 ± 1.75

Age group (years)

< 50

2.68 ± 1.49

2.49 ± 1.35

2.04 ± 0.17

0.52

> 50

2.58 ± 1.47

2.65 ± 1.53

-0.06 ± 2.11

Social isolation

Gender

Male

1.23 ± 1.42

1.45 ± 1.45

0.22 ± 1.94

0.002

Female

2.25 ± 1.65

1.44 ± 1.55

-0.87 ± 2.41

Age group (years)

< 50

1.73 ± 1.4

1.19 ± 1.39

-0.61 ± 1.52

0.032

> 50

1.34 ± 1.56

1.51 ± 1.49

0.15 ± 2.23

Physical activity

Gender

Male

3.25 ± 1.83

3.5 ± 1.95

0.39 ± 2.6

0.005

Female

4.15 ± 1.93

3.36 ± 1. 7

-0.91 ± 2.57

Age group (years)

< 50

3.69 ± 1.99

3.02 ± 1.92

0.63 ± 2.47

0.039

> 50

3.33 ± 1.86

3.61 ± 1.85

0.31 ± 2.75

Total

Gender

Male

16.4 ± 8.52

18.56 ± 8.96

2.64 ± 11.78

> 0.001

Female

21.75 ± 8.52

16.12 ± 8.19

-5.53 ± 12

Age group (years)

< 50

20.06 ± 8.46

15.59 ± 8.56

-4.64 ± 9.5

0.003

> 50

16.5 ± 8.2

18.44 ± 8.6

2.22 ± 12.79

**Table 3.** Comparison of the Pre-Operative and Post-Operative Quality of Life Scores By Patients’ History of Risk of Ischemic Disease
Quality of life	Pre-operation Mean ± SD	Post-operation Mean ± SD	Mean change	P
MI: myocardial infarction; HLP: hyperlipoproteinemia; HTN: hypertension; DM: diabetes mellitus.
MI	Yes	17.92 ± 8.45	18.97 ± 8.75	-0.9 ± 12.08	0.82
	No	17.4 ± 9.24	17.45 ± 8.86	0.44 ± 12. 32
HLP	Yes	18.75 ± 9.33	19.30 ± 9.87	0.42 ± 12.91	0.38
	No	16.38 ± 8.26	16.67 ± 7.47	0.69 ± 11.67
Cigarette addiction	Yes	19.47 ± 7.24	19.17 ± 8.32	2.48 ± 10.9	0.2
	No	18.14 ± 9.53	17.41 ± 8.76	-0.24 ± 12.8
HTN	Yes	18.04 ± 9.52	18.59 ± 8.91	0.7 ± 12.63	0.7
	No	17.15 ± 8.05	17.16 ± 8.77	0.41 ± 12.02
DM	Yes	17.51 ± 10.11	19.78 ± 9.22	2.77 ± 13.94	0.15
	No	17.62 ± 8.17	17.07 ± 8.48	0.31 ± 11.48

Table 3. Comparison of the Pre-Operative and Post-Operative Quality of Life Scores By Patients’ History of Risk of Ischemic Disease

Quality of life

Pre-operation
Mean ± SD

Post-operation
Mean ± SD

Mean change

Ischemic disease risk history

MI: myocardial infarction; HLP: hyperlipoproteinemia; HTN: hypertension; DM: diabetes mellitus.

Yes

17.92 ± 8.45

18.97 ± 8.75

-0.9 ± 12.08

0.82

17.4 ± 9.24

17.45 ± 8.86

0.44 ± 12. 32

HLP

Yes

18.75 ± 9.33

19.30 ± 9.87

0.42 ± 12.91

0.38

16.38 ± 8.26

16.67 ± 7.47

0.69 ± 11.67

Cigarette addiction

Yes

19.47 ± 7.24

19.17 ± 8.32

2.48 ± 10.9

0.2

18.14 ± 9.53

17.41 ± 8.76

-0.24 ± 12.8

HTN

Yes

18.04 ± 9.52

18.59 ± 8.91

0.7 ± 12.63

0.7

17.15 ± 8.05

17.16 ± 8.77

0.41 ± 12.02

Yes

17.51 ± 10.11

19.78 ± 9.22

2.77 ± 13.94

0.15

17.62 ± 8.17

17.07 ± 8.48

0.31 ± 11.48