Patients characteristics and risk factors

Total limbs (n = 143)

70% or more re-stenosis or occlusion (n = 29)

Free of 70% re-stenosis or occlusion (n = 114)

p

Relative risk (95% confidence interval)

Age > 70 years

n = 89 (62%)

n = 26 (89%)

n = 63 (55%)

0.0005

5.258 (1.671 - 16.55)

Female gender

n = 32 (22%)

n = 12 (41%)

n = 20 (17%)

0.0111

2.449 (1.310 - 4.578)

Hypertension

n = 122 (85%)

n = 22 (76%)

n = 100 (88%)

0.1369

0.5410 (0.2650 - 1.104)

Active or <1/2 year former smoking

n = 90 (63%)

n = 24 (82%)

n = 66 (58%)

0.0170

2.827 (1.147 - 6.966)

Coronary Disease

n = 109 (76%)

n = 19 (65%)

n = 90 (79%)

0.1462

0.5927 (0.3057 - 1.149)

Diabetes Mellitus

n = 39 (27%)

n = 12 (41%)

n = 27 (23%)

0.0649

1.882 (0.9916 - 3.573)

Chronic Renal Insufficiency

n = 29 (20%)

n = 6 (20%)

n = 23 (20%)

1,000

1.025 (0.4604 - 2.284)

End Stage Renal Disease/Dialysis

n = 9 (6%)

n = 1 (3%)

n = 8 (7%)

0.6866

0.5317 (0.0813 - 3.476)

Hypercholesterolemia

n = 130 (90%)

n = 25 (86%)

n = 105 (92%)

0.2999

0.6250 (0.2571 - 1.520)

Cerebrovascular disease

n = 32 (22%)

n = 10 (34%)

n = 22 (19%)

0.0870

1.826 (0.9463 - 3.522)

COPD

n = 28 (19%)

n = 9 (31%)

n = 19 (16%)

0.1135

1.848 (0.9460 - 3.611)

Previous contralateral revasc

n = 22 (15%)

n = 5 (17%)

n = 17 (15%)

0.7754

1.146 (0.4898 - 2.681)