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.