Table 1. Patients' clinical characteristics.

	Without atherectomy, n = 17	Atherectomy, n = 42	P-value
Clinical variables
Age, yrs	66.9 ± 10.9	67.1 ± 9.4	0.950
Age over 65	9 (52.9%)	21 (50.0%)	> 0.99
Male	11 (64.7%)	27 (64.3%)	0.976
BMI	27.3 ± 5.6	29.2 ± 7.3	0.367
Diabetes	6 (37.5%)	17 (44.7%)	0.623
Hypertension	14 (87.5%)	27 (71.7%)	0.197
Smoking	4 (25%)	8 (21.1%)	0.734
Dyslipidemia	12 (75%)	30 (78.9%)	0.734
CAD	8 (50%)	23 (60.5%)	0.475
CKD	3 (18.8%)	7 (18.4%)	> 0.99
CVA	3 (18.8%)	3 (7.9%)	0.346
Rutherford stage
2	6 (35.3%)	16 (38.1%)	0.840
3	10 (62.5%)	22 (52.4%)	0.653
4	1 (6.3%)	3 (7.9%)	> 0.99
5	0	1 (2.6%)	> 0.99
Lesion character
TASC II class
A	11 (64.7%)	30 (71.4%)	0.612
B	2 (11.8%)	10 (23.8%)	0.478
C	1 (5.9%)	0	0.288
D	3 (17.6%)	2 (4.8%)	0.138
Occlusion	5 (29.4%)	3 (7.1%)	0.037
Lesion calcification
None to minimal	13 (76.5%)	21 (50%)	0.062
Moderate	2 (11.8%)	12 (28.6%)	0.310
Severe	2 (11.8%)	9 (21.4%)	0.484
Lesion location
Focal lesion
Proximal	2 (11.8%)	3 (7.1%)	0.450
Mid	5 (29.4%)	14 (33.3%)	0.770
Distal	4 (23.5%)	16 (38.1%)	0.284
Popliteal segment	1 (5.9%)	2 (4.8%)	> 0.99
Diffuse lesion	5 (29.4%)	7 (16.7%)

Data are presented as mean ± SD or n (%). BMI: body mass index; CAD: coronary artery disease; CKD: chronic kidney disease; CVA: cerebrovascular disease; TASC: the trans-atlantic inter-society consensus document on management of peripheral arterial disease.