Skip to main content

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