Clinical characteristics

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)

Rutherford Category 2

n = 7 (5%)

n = 2 (7%)

n = 5 (4%)

0.6300

1.439 (0.4252 - 4.871)

Category 3

n = 65 (45%)

n = 12 (41%)

n = 53 (46%)

0.6798

0.8471 (0.4370 - 1.642)

Category 4

n = 30 (21%)

n = 10 (34%)

n = 20 (17%)

0.3495

1.462 (0.7505 - 2.846)

Category 5 + 6

n = 41 (29%)

n = 16 (55%)

n = 25 (22%)

0.0009

3.062 (1.621 - 5.783)

ABI < 0.5

n = 51 (36%)

n = 17 (58%)

n = 34 (30%)

0.0051

2.556 (1.327 - 4.921)

ABI improvement > 1.5

n = 104 (73%)

n = 17 (58%)

n = 87 (76%)

0.0649

0.5313 (0.2798 - 1.008)

Chr. Venuous Insufficiency

n = 31 (22%)

n = 10 (34%)

n = 21 (18%)

0.0775

1.902 (0.9883 - 3.659)

Bedridden

n = 24 (17%)

n = 8 (27%)

n = 16 (14%)

0.0971

1.889 (0.9509 - 3.752)