Table 1: Baseline patient characteristics.

ELCA groupNon-ELCA groupp value
(n = 18)(n = 24)

Age, means, y68.4 ± 9.771.5 ± 8.40.27
Male gender, %14 (77.8)20 (83.3)0.65
Smoking, %9 (50.0)3 (12.5)<0.01
Hypertension, %12 (66.7)21 (87.5)0.10
Dyslipidemia, %16 (88.9)22 (91.7)0.76
Diabetes mellitus, %7 (38.9)13 (54.2)0.33
Chronic kidney disease, %4 (22.2)11 (45.8)0.11
Hemodialysis, %0 (0)0 (0)NS
Previous MI, %7 (38.9)17 (70.8)0.04
Previous CABG, %0 (0)2 (8.3)0.13
EF, %59.3 ± 12.860.8 ± 12.40.71
Clinical presentation<0.01
 ACS, %0 (0)6 (25.0)
 Non-ACS, %18 (100)18 (75.0)

Continuous variables expressed as mean ± standard deviation; categorical variables, as number (percentage).
ELCA, excimer laser coronary atherectomy; MI, myocardial infarction; CABG, coronary artery bypass graft; EF, left ventricular ejection fraction; ACS, acute coronary syndromes.