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Table 3 Factors influencing PCS and MCS scores at baseline and at 5 and 10 years post-surgery, by univariate analysis in 272 patients undergoing isolated coronary artery bypass graft surgery

From: Quality of life 10 years after cardiac surgery in adults: a long-term follow-up study

Variable

PCS

MCS

Preop

At 5 years

At 10 years

Preop

At 5 years

At 10 years

Mean ± SD

P-value

Mean ± SD

P-value

Mean ± SD

P-value

Mean ± SD

P-value

Mean ± SD

P-value

Mean ± SD

P-value

Age

 < 66 years

50.7 ± 18.3

0.51

63.8 ± 23.1

0.21

63.7 ± 21.8

0.008

53.6 ± 21.0

0.13

65.1 ± 20.4

0.098

65.9 ± 19.2

0.029

 > 66 years

52.3 ± 19.1

59.9 ± 21.0

52.4 ± 22.0

57.3 ± 19.0

60.3 ± 20.2

57.3 ± 21.2

Sexe

 Male

53.3 ± 18.4

0.002

63.8 ± 22.4

0.028

61.0 ± 22.6

0.072

56.1 ± 19.7

0.21

64.5 ± 20.6

0.032

64.4 ± 20.4

0.023

 Female

44.5 ± 18.0

55.5 ± 20.1

51.1 ± 20.3

52.0 ± 22.0

57.0 ± 18.8

53.3 ± 17.5

Marital Status

 Alone

49.6 ± 17.9

0.41

58.5 ± 19.0

0.21

57.8 ± 20.0

0.70

56.5 ± 22.6

0.64

61.7 ± 17.1

0.61

59.8 ± 20.0

0.50

 Living maritally

51.9 ± 18.8

63.0 ± 22.9

59.8 ± 23.1

54.9 ± 19.6

63.3 ± 21.1

63.3 ± 20.5

Living in urban area

 No

53.1 ± 19.5

0.20

63.0 ± 23.3

0.63

61.2 ± 20.4

0.42

56.2 ± 21.1

0.51

62.9 ± 20.9

0.97

65.2 ± 19.9

0.22

 Yes

50.1 ± 17.9

61.4 ± 21.4

57.9 ± 24.2

54.5 ± 19.6

63.0 ± 20.1

60.6 ± 20.6

Professional status

 Unemployed

51.9 ± 18.3

0.39

60.3 ± 22.4

0.005

57.4 ± 23.1

0.025

55.6 ± 19.6

0.65

61.3 ± 20.3

0.009

61.2 ± 21.0

0.059

 Professionally active

49.1 ± 20.3

71.2 ± 19.0

67.8 ± 18.2

53.9 ± 23.0

71.2 ± 19.2

69.0 ± 16.4

On invalidity

 Yes

51.6 ± 18.7

0.38

62.9 ± 21.9

0.057

59.8 ± 22.2

0.65

55.3 ± 20.2

0.87

63.3 ± 20.5

0.30

63.0 ± 20.3

0.48

 No

45.0 ± 18.2

41.8 ± 23.6

51.2 ± 34.2

53.9 ± 21.2

55.6 ± 17.7

53.4 ± 23.5

Socio-economic class

 Upper middle class

51.8 ± 20.9

0.22

75.1 ± 15.0

0.14

60.1 ± 26.3

0.82

55.3 ± 26.3

0.77

74.1 ± 14.9

0.33

62.1 ± 24.1

0.93

 Middle class

54.1 ± 18.5

59.2 ± 22.5

54.9 ± 22.3

56.5 ± 18.5

61.8 ± 20.1

59.1 ± 20.6

 Lower middle class

54.4 ± 18.6

65.2 ± 22.1

61.1 ± 24.4

56.5 ± 19.6

64.1 ± 20.8

62.7 ± 21.4

 Skilled working class

50.6 ± 18.6

60.4 ± 21.8

61.4 ± 21.0

55.6 ± 20.6

61.6 ± 21.7

65.3 ± 18.9

 Working class

45.9 ± 14.3

59.1 ± 22.9

53.2 ± 21.6

50.7 ± 19.5

61.9 ± 17.0

59.5 ± 20.0

 Others

47.6 ± 24.4

54.5 ± 27.0

61.9 ± 21.5

56.3 ± 22.1

56.1 ± 26.6

62.9 ± 24.6

Level of education

 < High school

50.8 ± 18.3

0.26

59.6 ± 22.3

< 0.001

57.0 ± 22.1

0.023

55.0 ± 20.0

0.69

60.7 ± 20.3

0.001

60.1 ± 20.1

0.005

 High school diploma or higher

54.4 ± 19.9

72.7 ± 18.7

68.7 ± 22.0

56.4 ± 21.5

72.9 ± 18.1

72.5 ± 18.5

Diabetes mellitus

 No

52.2 ± 18.8

0.30

64.3 ± 21.4

0.033

61.9 ± 22.0

0.050

55.5 ± 21.5

0.74

63.9 ± 20.5

0.31

65.0 ± 20.2

0.033

 Yes

49.6 ± 18.2

56.6 ± 23.3

52.3 ± 22.8

54.7 ± 17.2

60.7 ± 20.2

55.9 ± 19.4

Peripheral arterial disease

 No

52.5 ± 18.9

0.082

63.5 ± 21.3

0.15

60.8 ± 22.3

0.23

56.2 ± 20.8

0.15

64.0 ± 20.0

0.21

63.1 ± 20.6

0.67

 Yes

48.0 ± 17.5

57.6 ± 24.7

54.4 ± 23.0

52.2 ± 18.2

59.6 ± 21.5

61.1 ± 19.7

Depression

 No

51.6 ± 18.6

0.59

62.3 ± 22.4

0.55

59.0 ± 22.3

0.38

55.3 ± 20.3

0.96

63.1 ± 20.5

0.73

62.6 ± 20.4

0.84

 Yes

48.8 ± 19.0

58.6 ± 19.5

70.9 ± 26.8

55.0 ± 19.5

61.0 ± 19.1

64.8 ± 22.1

LVEF

 > 50%

50.4 ± 18.6

0.34

61.3 ± 21.3

0.61

60.1 ± 23.1

0.88

53.9 ± 20.3

0.25

61.9 ± 20.0

0.52

62.6 ± 20.2

0.76

 30–50%

52.8 ± 18.0

63.2 ± 24.7

57.8 ± 22.6

57.6 ± 19.8

64.8 ± 21.5

62.0 ± 21.2

 < 30%

57.4 ± 22.0

67.9 ± 21.4

60.1 ± 12.5

61.3 ± 21.6

67.7 ± 19.7

69.3 ± 20.4

NYHA class ≥3

 No

52.6 ± 18.4

0.001

63.0 ± 22.0

0.070

59.5 ± 22.5

0.91

55.8 ± 20.3

0.14

63.8 ± 20.2

0.091

62.6 ± 20.1

0.83

 Yes

38.8 ± 16.7

51.0 ± 23.0

58.4 ± 24.4

49.6 ± 18.2

53.5 ± 21.4

65.0 ± 25.3

CCS class ≥3

 No

53.4 ± 18.4

< 0.001

64.0 ± 21.9

0.011

60.2 ± 22.0

0.48

55.9 ± 20.1

0.31

64.7 ± 20.0

0.013

63.7 ± 19.7

0.29

 Yes

42.5 ± 17.2

53.5 ± 21.8

55.6 ± 25.2

52.5 ± 20.5

55.2 ± 20.3

57.3 ± 23.6

Outcome

 Uneventful

51.2 ± 18.9

0.71

62.7 ± 22.2

0.28

60.3 ± 22.8

0.12

54.9 ± 20.2

0.47

63.3 ± 20.6

0.58

63.4 ± 20.1

0.30

 Complicated

52.5 ± 17.0

57.5 ± 21.8

50.2 ± 17.6

57.8 ± 20.6

60.9 ± 19.3

55.3 ± 22.5

  1. PCS, physical component summary score; MCS, mental component summary score; COPD, chronic obstructive pulmonary disease; LVEF, left ventricular ejection fraction, NYHA, New York Heart Association; CCS, Canadian Cardiovascular Society. Variables highlighted in bold show statistically significant differences