Table 2 Coronary artery characteristics at day 0 and day 28 after stent placement in 49 vessels from 27 pigs that underwent stent placement and survived to day 28.
| Day 0 | |
| Achieved B:A ratio | 1.23 (0.14) |
| Prestent vessel diameter by IVUS (mm) | 3.05 (0.31) |
| Stent balloon size (mm) | 3.59 (0.42) |
| Absolute stent recoil (mm) | 0.10 (0.29) |
| Relative stent recoil (%) | 2.2 (7.8) |
| Immediate lumen diameter gain (mm) | 0.58 (0.34) |
| Stent symmetry index | Median = 0.96; interquartile range 0.93–1.00 |
| Day 28 | |
| Neointimal thickness (mm) | 0.42 (0.19) |
| In‐stent neointimal volume (mm3) | 54.8 (32.5) |
| Neointima beyond stent edges (mm) | 5.14 (3.28) |
| Late lumen loss (mm) | 1.39 (0.59) |
| Late‐loss index | Median = 2.42; interquartile range 1.72–3.60 |
| Net lumen diameter change | −0.80 (0.45) |
| Percentage lumen diameter stenosis | 26.4 (14.5) |
| Percentage cross‐sectional area stenosis | 43.7 (21.6) |
B:A, balloon‐to‐artery; IVUS, intravascular ultrasound.