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. 2018 Jun;10(6):3632–3642. doi: 10.21037/jtd.2018.05.148

Table S1. Baseline demographics and clinical characteristics in the subgroup of patients using CPB.

Variables Unadjusted Balance table (IPTW-adjusted)
CABG-only (n=340) CABG + MVS (n=116) P value CABG-only (n=340) CABG + MVS (n=116) SMD (%)
Age, years 64.8±8.1 63.7±9.4 0.226 64.5±8.5 64.4±8.8 1.4
Female gender 107 (31.5) 37 (31.9) >0.99 31.6 33.5 4.2
BMI, kg/m2 24.2±2.8 24.2±2.6 0.979 24.2±2.8 24.3±2.6 2.6
Diabetes mellitus 179 (52.6) 65 (56.0) 0.600 54.3 54.7 0.9
Hypertension 240 (70.6) 72 (62.1) 0.112 68.9 69.6 1.4
Hyperlipidaemia 53 (15.6) 5 (4.3) 0.003 12.7 14.1 4.1
COPD 10 (2.9) 3 (2.6) >0.99 2.8 2.1 4.1
Atrial fibrillation 36 (10.6) 11 (9.5) 0.872 10.5 9.4 3.9
Creatinine, mg/dL 1.6±2.0 1.7±2.3 0.586 1.6±2.0 1.8±2.3 9.2
Severe CKD 39 (11.5) 13 (11.2) >0.99 11.1 12.7 5.0
Dialysis 26 (7.6) 10 (8.6) 0.891 7.8 10.9 10.8
Recent MI (<3 months) 59 (17.4) 21 (18.1) 0.966 17.6 20.4 7.3
History of stroke 63 (18.5) 16 (13.8) 0.307 16.9 14.9 5.4
Previous PCI 58 (17.1) 21 (18.1) 0.909 17.6 17.4 0.4
NYHA class 3 or 4 23 (6.8) 15 (12.9) 0.060 8.9 8.5 1.4
CCS class 3 or 4 19 (5.6) 13 (11.2) 0.066 6.9 6.1 3.4
Multi-vessel disease 334 (98.2) 115 (99.1) 0.806 98.0 99.5 13.5
   1-vessel disease 6 (1.8) 1 (0.9) 2.0 0.5
   2-vessel disease 33 (9.7) 18 (15.5) 10.8 12.3
   3-vessel disease 301 (88.5) 97 (83.6) 87.3 87.3
Left main involvement 75 (22.1) 30 (25.9) 0.476 22.7 23.4 1.5
Echocardiographic data
   LV ejection fraction, % 41.8±13.2 39.2±12.5 0.063 40.9±13.4 40.2±12.4 5.4
   LVESD, mm 43.4±9.1 45.7±9.0 0.019 44.1±9.1 44.5±8.5 5.0
   LVEDD, mm 57.2±7.2 59.7±7.1 0.001 57.9±7.3 58.3±6.6 6.3
   LA diameter, mm 44.3±5.5 46.4±5.9 0.001 44.9±5.7 45.5±5.4 11.5
   Peak TR pressure gradient, mmHg 29.5±10.4 33.8±12.9 <0.001 30.9±11.7 31.0±12.2 1.5
   TR ≥ moderate 16 (4.7) 10 (8.6) 0.181 6.0 6.9 3.7
Emergency 6 (1.8) 3 (2.6) 0.871 1.9 1.5 3.1
Operative years 0.066 2.0
   1990–2008 260 (76.5) 78 (67.2) 73.6 72.7
   2009–2015 80 (23.5) 38 (32.8) 26.4 27.3

In the left column, values are n (%) or mean ± SD, unless otherwise indicated. In the right column (IPTW-adjusted), values are % or mean ± SD, unless otherwise indicated. CABG, coronary artery bypass grafting; BMI, body mass index; CKD, chronic kidney disease; COPD, chronic obstructive pulmonary disease; PCI, percutaneous coronary intervention; MI, myocardial infarction; NYHA, New York Heart Association; CCS, Canadian cardiovascular society; LV, left ventricle; LA, left atrium; TR, tricuspid regurgitation.