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) |