Table 3. ABI before and after in-stent restenosis treatment.

Index	Pre-tretment ABI			Post-treatment ABI
	Class 1	Class 2	Class 3	Class 1	Class 2	Class 3
0.3	4	3	2	0	0	2
0.4	3	6	6	0	2	0
0.5	7	7	11	1	2	2
0.6	3	4	4	3	7	3
0.7	0	2	0	12	8	14
0.8	0	0	0	1	3	1
0.9	0	0	0	0	0	1
ABI: Ankle-brachial index.