Table 2 Intraoperative characteristics classified according to the GLASS stages
GLASS I n = 30 (%) | GLASS II n = 36 (%) | GLASS III n = 16 (%) | P | |
|---|---|---|---|---|
Location of lesions | ||||
FP | 12 (40.0) | 4 (11.1) | 0 (0) | < 0.001* |
IP | 14 (46.7) | 8 (22.2) | 4 (25) | |
Both FP and IP | 4 (13.3) | 24 (66.7) | 12 (75) | |
Infra-malleolar perfusion P0 or P1 | 28 (83.3) | 34 (94.4) | 11 (68.8) | 0.015* |
Access position | ||||
Ipsilateral CFA | 30 (100) | 34 (94.4) | 12 (75) | 0.007* |
Contralateral CFA | 0 (0) | 2 (5.6) | 4 (25) | |
Intervention time (minutes) | 59.73 ± 19.1 | 70 ± 35.2 | 79.69 ± 17.2 | 0.033*** |
ABI before intervention | 0.332 ± 0.22 | 0.32 ± 0.26 | 0.13 ± 0.18 | 0.013*** |
Technical success | 27 (90) | 31 (86.11) | 9 (56.25) | 0.012* |
Endovascular intervention method | ||||
Balloon angioplasty | 16 | 12 | 5 | 0.183* |
Balloon angioplasty and stenting | 12 | 22 | 9 | |