Table 2.
Radiological characteristics of the lesions
| Variable | Total (n = 70) | Successful group (n = 57) | Failed group (n = 13) | p Value |
|---|---|---|---|---|
| Responsible artery | ||||
| Anterior circulation | 54(77.1%) | 44(77.2%) | 10(76.9%) | 0.7300 |
| Posterior circulation | 16(22.9%) | 13(22.8%) | 3(23.1%) | |
| Stump condition | ||||
| Tapered stump | 50(71.4%) | 46(80.7%) | 4(30.8%) | 0.0011 |
| No stump or blunt | 20(28.6%) | 11(19.3%) | 9(69.2%) | |
| Occlusion length (mm) median (IQR), | 8.4(7.8,9.25) | 8.2(7.2,8.8) | 12.8(8.5,15.5) | < 0.0001 |
| Occlusion length | ||||
| < 10 mm | 56(80%) | 50(87.7%) | 6(46.2%) | 0.0027 |
| ≥ 10 mm | 14(20%) | 7(12.3%) | 7(53.8%) | |
| Occlusion angle°, median (IQR), | 15(7.5,23.25) | 14.5(7.5,22.25) | 15(8.75,27.5) | 0.4068 |
| Occlusion angle° | ||||
| ≥ 45° | 3(4.3%) | 2(3.5%) | 1(7.7%) | 0.4655 |
| < 45° | 67(95.7%) | 55(96.5%) | 12(92.3%) | |
| Occlusion calcification | ||||
| Absent | 66(94.3%) | 55(96.5%) | 11(84.6%) | 0.1543 |
| Present | 4(5.7%) | 2(3.5%) | 2(15.4%) | |
| Slow antegrade flow distal to the occlusion site | ||||
| Absent | 29(41.4%) | 18(31.6%) | 11(84.6%) | 0.0005 |
| Present | 41(58.6%) | 39(68.4%) | 2(15.4%) | |
| Bridging collateral vessels | ||||
| Absent | 66(94.3%) | 56(98.2%) | 10(76.9%) | 0.0186 |
| Present | 4(5.7%) | 1(1.8%) | 3(23.1%) | |
IQR, interquartile range; SD, standard deviation;