Procedural data
| Stenting without predilatation | Stenting with predilatation | p Value | |
| Stent type | 0.062 | ||
| NIR (9 mm) | 68 (34.5%) | 51 (25.6%) | |
| NIR (16 mm) | 129 (65.5%) | 147 (73.9%) | |
| NIR (32 mm) | 0 | 1 (0.5%) | |
| Duration | |||
| Overall procedure (min) | 23.5 (13.5) | 28.0 (15.2) | 0.002 |
| Fluoroscopic exposure (min) | 6.0 (4.1) | 6.7 (3.7) | 0.114 |
| Contrast agent (ml) | 135.1 (65.4) | 157.0 (62.6) | < 0.001 |
| Balloon characteristics | |||
| Mean diameter (mm) | 3.31 (0.34) | 3.32 (0.33) | 0.932 |
| Maximum inflation pressure (atm) | 12.44 (2.28) | 11.85 (2.18) | 0.09 |
| Additional inflation after stenting (%) | 26 (13.2) | 18 (9.1) | 0.189 |
| Results | |||
| Angiographic success3-150 | 192 (97.5%) | 197 (99.0%) | 0.283 |
| Final angiographic success | 197 (100%) | 199 (100%) | |
Values are mean (SD) or n (%).
↵3-150 According to procedure assigned by randomisation.