Table 3.
Results of 3D coronary analysis
| Parameters | In-stent restenosis (n = 44)a | Control (n = 84)a | p value |
|---|---|---|---|
| Proximal pre-stent BA (°) | 6.85 (IQR 4.83, 12.8) | 6.85 (IQR 3.63, 9.9) | 0.17 |
| Proximal post-stent BA (°) | 4.84 (IQR 2.43, 10.78) | 5.05 (IQR 2.63, 8.48) | 0.54 |
| Change in proximal BA after stenting (°) | − 0.60 (IQR − 5.4, 3.78) | − 1.50 (IQR − 4.28, 1.75) | 0.77 |
| Distal pre-stent BA (°) | 8.10 (IQR 2.93, 12.23) | 6.50 (IQR 3.33, 10.9) | 0.51 |
| Distal post-stent BA (°) | 5.05 (IQR 2.3, 8) | 5.40 (IQR 2.73, 9.25) | 0.64 |
| Change in distal BA after stenting (°) | − 1.85 (IQR − 5.58, 1.55) | − 0.55 (IQR − 4.28, 2.85) | 0.41 |
| Pre-stent ACr (%) | 106 (IQR 103, 112) | 105 (IQR 103, 107) | 0.04 |
| Post-stent ACr (%) | 104 (IQR 102, 108) | 104 (IQR 102, 105) | 0.36 |
| Change in ACr after stenting (%) | − 2 (IQR − 4, − 1) | − 1 (IQR − 3, 0) | 0.03 |
As an index of statistical significance, a p value < 0.05 was accepted and marked bold
ACr arc-chord ratio, BA bending angle, IQR interquartile range
aAll cases were analysed twice, in systole and in diastole