IR

Non-IR

p value

Gender

M

9 (81.8)

40 (87.0)

F

2 (18.2)

6 (13.0)

0.644

Age

66.09 ± 6.20

68.07 ± 12.59

0.459

Smoking history

10 (90.9)

33 (71.7)

0.261

Hypertension

7 (63.6)

17 (37.0)

0.173

Diabetes mellitus

2 (18.2)

10 (21.7)

1

Dyslipidemia

1 (9.1)

4 (8.7)

1

Renal failure

0 (0)

1 (2.2)

1

Intake of anticoagulant

1 (9.1)

4 (8.7)

1

Surgical history of vascular resection site

2 (18.2)

1 (2.2)

0.092