Table 3.

Lesion distribution in various territories involved.

Vessel	Stenosis (%)	Site of Stenosis								Total
		Ostial			Shaft		Distal
		N	%		N	%	N		%	N	%
LMCA	< 50	4	36.4		2	18.2	5		45.4	11	100.0
	≥ 50	6	40.0		2	13.3	7		46.7	15	100.0
	Total	10	38.5		4	15.4	12		46.1	26	100.0
Ramus		Ostial-Proximal				Mid-Distal				Total
		N		%		N		%		N	%
	< 50	5		35.7		9		64.3		14	100.0
	50-69	2		25.0		6		75.0		8	100.0
	≥ 70	3		30.0		7		70.0		10	100.0
	Total	10		31.2		22		68.8		32	100.0
LAD		Ostial		Proximal		Middle		Distal		Total
		N	%	N	%	N	%	N	%	N	%
	< 50	12	16.9	18	25.4	24	33.8	17	23.9	71	100.0
	50-69	10	15.9	15	23.8	22	34.9	16	25.4	63	100.0
	≥ 70	21	6.0	168	48.3	136	39.1	23	6.6	348	100.0
	Total	43	8.9	201	41.7	182	37.8	56	11.6	482	100.0
RCA	< 50	7	13.7	15	29.4	19	37.3	10	19.6	51	100.0
	50-69	9	15.3	20	33.9	14	23.7	16	27.1	59	100.0
	≥ 70	10	3.7	105	39.0	83	30.9	71	26.4	269	100.0
	Total	26	6.9	140	36.9	116	30.6	97	25.6	379	100.0
LCX	< 50	11	22.9	12	25.0	15	31.3	10	20.8	48	100.0
	50-69	13	13.7	29	30.5	31	32.6	22	23.2	95	100.0
	≥ 70	8	4.6	61	35.3	65	37.6	39	22.5	173	100.0
	Total	32	10.1	102	32.3	111	35.1	71	22.5	316	100.0
Bypass Grafts		SVG				LIMA				Total
		N		%		N		%		N	%
	< 50	7		77.8		2		22.2		9	100.0
	50-69	3		75.0		1		25.0		4	100.0
	≥ 70	5		62.5		3		37.5		8	100.0
	Total	15		71.4		6		28.6		21	100.0

Note: LMCA,Left Main Coronary Artery; LAD,Left Anterior Descending Artery; LCX,Left Circumflex Artery; RCA,Right Coronary Artery; SVG,Saphenous Vein Grafts; LIMA,Left Internal Mammary Artery; N,Number; %,Percentage.