2.
病变血管特征
Characteristics of vascular lesions in the two groups [n(%)]
| Total (n=46) | DCB group(n=23) | CB group(n=23) | P | |
| Lesion site | 0.931 | |||
| Superficial femoral artery | 31(67.4%) | 16(69.6%) | 15(65.2%) | |
| Popliteal artery | 6(13.0%) | 3(13.0%) | 3(13.0%) | |
| Both | 9(19.6%) | 4(17.4%) | 5(21.8%) | |
| Cumulative lesion length (cm) | 0.514 | |||
| 3-9 | 33(71.7%) | 15(65.2%) | 18(78.3%) | |
| 9-15 | 13(28.3%) | 8(34.8%) | 5(21.7%) | |
| Degree of calcification | 0.946 | |||
| Level 1 | 9(19.6%) | 4(17.4%) | 5(21.7%) | |
| Level 2 | 17(37.0%) | 8(34.8%) | 9(39.2%) | |
| Level 3 | 11(23.8%) | 6(26.1%) | 5(21.7%) | |
| Level 4 | 9(19.6%) | 5(21.7%) | 4(17.4%) |