4-Year Outcome Analysis of Endoscopic Vein Harvesting for Coronary Artery Bypass Grafting

Table 6

Logistic regression model to generate propensity scores for EVH group (𝑛=772) versus control group (𝑛 = 1,219).

Effect	Point estimate	95% Wald confidence limits		P value
		Lower	Upper
Age	0.781	0.591	1.117	0.21
Gender	0.743	0.598	1.051	0.20
Diabetes	0.786	0.611	1.087	0.17
Hypertension	1.112	0.976	1.637	0.41
Hypercholesterolemia	1.596	1.231	2.101	0.54
PVD	0.896	0.659	1.114	0.27
Previous stroke/TIA	1.113	0.832	1.987	0.63
COPD	0.986	0.732	1.347	0.47
Creatinine ≥ 200 µmol·L^−1	0.943	0.755	1.121	0.24
Prior PCI	1.751	1.431	2.321	0.59
Recent MI	0.849	0.623	1.297	0.22
LVEF > 50%	0.977	0.722	1.143	0.27
LVEF < 50%	1.446	1.331	1.921	0.43
Elective	0.724	0.665	1.033	0.21
Urgent	0.674	0.475	1.011	0.22
Single vessel	1.128	0.822	1.984	0.61
Two vessels	1.012	0.776	1.356	0.47
Three vessels	0.997	0.782	1.134	0.24
Logistic EuroSCORE	0.921	0.747	1.151	0.27

COPD: chronic obstructive pulmonary disease; EVH: endoscopic vein harvest; LVEF: left ventricle ejection fraction; OVH: open vein harvest; PVD: peripheral vascular disease; and TIA: transient ischemic attack.