Table 2 Comparison of late lumen loss 1 year after operation between the two groups (x±s)
| group | Immediately after the operation | 1 year after surgery | |
|---|---|---|---|
| Target lesion diameter (mm) | Target lesion diameter (mm) | Late lumen loss (mm) | |
| Stent group (36 cases) | 3.17±0.36 | 3.01±0.43 | 0.13±0.3 |
| 6 balloon groups (31 cases) | 2.85±0.28 one | 3.04±0.55 | −0.11±0.45 a |
| P value | P <0.05 | ||