Variables | Groups of variables | Group I (no collaterals) | Group II (poor collaterals) | Group III (Adequate collaterals) |
Age | 1) <50 (n = 25) 2) 50 - 70 (n = 139) 3) >70 (n = 36) | 5 (20%) 15 (10.8%) 7 (19.4%) | 12 (48%) 51 (36.69%) 9 (25%) | 8 (32%) 73 (52.52%) 20 (55.6%) |
Gender | Male (n = 154) Females (n = 46) | 20 (13%) 5 (10.87%) | 66 (49.25%) 32 (78.05%) | 68 (50.75%) 9 (22%) |
Arterial occlusion | 1) <70% (n = 10) 2) 70% - 90% (n = 100) 3) >90% (n = 90) | 4 (40%) 15 (17.64%) 6 (7.14%) | 6 (60%) 48 (56.47%) 38 (45.2%) | 0 37 (43.52%) 46 (54.8%) |