Comparative cost-effectiveness of surgery, angioplasty, or medical therapy in patients with multivessel coronary artery disease: MASS II trial

Table 1 Baseline characteristics

	PCI (n = 205)	MT (n = 203)	CABG (203)	P ^a
Socio demographic characteristics
Age, year ± SD	60 ± 9	60 ± 9	60 ± 9	0.959^b
Female, %	33	31	28	0.412^a
Clinical characteristics, %
Hypertension	61	55	63	0.215^a
Diabetes mellitus	23	36	29	0.062^a
Previous MI	52	39	41	0.024^a
Current or past smoker	27	33	32	0.013^a
CCS angina classes				< 0.001^a
I and II	72.2	59.1	50.2
III and IV	20.5	22.6	37.4
Not applicable or no angina	7.3	18.2	12.3
Angiographic characteristics, %
LVEF ± SD	67 ± 8	68 ± 7	67 ± 9	0.984^a
3-vessels disease	58	59	58	0.980^a

MT medical treatment, PCI percutaneous coronary intervention, CABG coronary artery bypass graft, IM myocardial infarction, CCS Canadian Cardiovascular Society angina classes, LVEF left ventricular ejection function
^aChi square test of homogeneity
^bANOVA; SD standard deviation

ISSN: 1478-7547