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) |