Table 2.
Cross-sectional OCT analysis
| LM | Non-LM | |||||
|---|---|---|---|---|---|---|
| Optimal (n = 19) |
Sub-optimal (n = 16) |
P value | Optimal (n = 24) |
Sub-optimal (n = 16) |
P value | |
| At the post-procedure | ||||||
| Average SA of PMV, mm2 | 9.86 ± 2.26 | 11.84 ± 2.42 | 0.017 | 7.00 ± 1.59 | 6.23 ± 1.51 | 0.16 |
| Average SA of DMV, mm2 | 6.89 ± 1.36 | 7.83 ± 2.22 | 0.21 | 5.76 ± 1.57 | 4.86 ± 1.33 | 0.048 |
| At the follow-up | ||||||
| Average LA of PMV, mm2 | 9.97 ± 2.54 | 12.16 ± 3.98 | 0.12 | 6.48 ± 1.99 | 6.09 ± 1.66 | 0.57 |
| Average LA of DMV, mm2 | 6.77 ± 1.32 | 7.14 ± 2.25 | 0.58 | 5.04 ± 1.46 | 4.42 ± 1.24 | 0.13 |
| Average SA of PMV, mm2 | 10.31 ± 2.31 | 12.47 ± 3.73 | 0.10 | 6.95 ± 1.81 | 6.43 ± 1.66 | 0.52 |
| Average SA of DMV, mm2 | 7.20 ± 1.49 | 7.71 ± 2.19 | 0.46 | 5.62 ± 1.41 | 4.80 ± 0.98 | 0.06 |
| Average NIT of PMV, mm2 | 0.34 ± 0.65 | 0.32 ± 0.52 | 0.61 | 0.46 ± 0.80 | 0.34 ± 0.40 | 0.29 |
| Average NIT of DMV, mm2 | 0.43 ± 0.84 | 0.57 ± 0.60 | 0.48 | 0.58 ± 0.64 | 0.37 ± 0.47 | 0.34 |
| ISA in the bifurcation area*, % | ||||||
| Total | 10.3 (2.2, 14.3) | 14.8 (6.2, 24.5) | 0.12 | 2.9 (0.9, 6.3) | 13.7 (7.2, 21.4) | 0.0001 |
| Opposite side of the side-branch | 1.2 (0.0, 3.8) | 0.0 (0.0, 1.7) | 0.14 | 0.0 (0.0, 0.0) | 0.0 (0.0, 3.8) | 0.16 |
| Side-branch side | 6.7 (1.4, 13.1) | 14.2 (6.2, 24.0) | 0.015 | 2.5 (0.0, 5.4) | 12.4 (7.2, 16.5) | 0.0004 |
Values are % (n), % (n/N), or least square mean (95% confidence interval). DMV = distal main vessel; ISA = incomplete stent apposition; LA = lumen area; LM = left main coronary artery; NIT = neointima area; PMV = proximal main vessel; SA = stent area