Table 3.
Characteristics of procedure.
| Variables |
Total (n = 107) |
DWI– (n = 48) |
DWI+ (n = 59) |
P-value |
|---|---|---|---|---|
| Treatment type | ||||
| PA | 21 (19.6%) | 10 (20.8%) | 11 (18.6%) | 0.943 |
| BMS | 24 (22.4%) | 11 (22.9%) | 13 (22.0%) | |
| SES | 62 (57.9%) | 27 (56.3%) | 35 (59.3%) | |
| Diameter max of PTAS (mm) | 3.1 ± 0.8 | 3.0 ± 0.8 | 3.1 ± 0.8 | 0.641 |
| Length max of PTAS (mm) | 13.6 ± 4.2 | 13.5 ± 4.3 | 13.7 ± 4.2 | 0.832 |
| Pressure max of PTAS (atm) | 6.4 ± 1.5 | 6.4 ± 1.4 | 6.4 ± 1.6 | 0.869 |
| Diameter ratio of stenosis* | 5.8 ± 2.9 | 5.5 ± 2.5 | 6.0 ± 3.2 | 0.446 |
| Diameter ratio of reference* | 1.2 ± 0.3 | 1.0 ± 0.3 | 1.2 ± 0.3 | 0.441 |
PA, primary angioplasty; BMS, balloon-mounted stent; SES, self-expansion stent; PTAS, percutaneous transluminal angioplasty with or without stenting.
*
The diameter ratio was defined as the maximal diameter of implant divided by vessel diameter of stenosis and reference.