Table 3-3 Pretreatment condition 3.

a. Total
	Diagnostic imaging			Sites of occlusion			TASC II classification aortoiliac					TASC II classification femoropopliteal
	IADSA	CTA	Others	Aortoiliac	Femoropop	Lower leg/foot	A	B	C	D	No lesion	A	B	C	D	No lesion
Rutherford 4	165	121	18	79	161	105	20	8	6	36	3	19	35	24	106	13
Rutherford 5	531	328	28	137	435	489	44	28	15	49	0	112	103	94	244	107
Rutherford 6	136	51	11	41	81	113	11	13	5	9	1	15	10	13	67	37
Total	832	500	57	257	677	707	75	49	26	94	4	146	148	131	417	157
b. ASO
	Diagnostic imaging			Sites of occlusion			TASC II classification aortoiliac					TASC II classification femoropopliteal
	IADSA	CTA	Others	Aortoiliac	Femoropop	Lower leg/foot	A	B	C	D	No lesion	A	B	C	D	No lesion
Rutherford 4	162	118	18	79	158	100	20	8	6	36	3	19	35	24	101	13
Rutherford 5	517	323	26	134	429	475	44	27	15	47	0	112	103	92	237	101
Rutherford 6	134	50	11	41	80	111	11	13	5	9	1	15	10	13	65	37
Total	813	491	55	254	667	686	75	48	26	92	4	146	148	129	403	151

IADSA: intra-arterial digital subtraction angiography, CTA: computed tomography angiography