Table 4.

Quantitative coronary analysis for main vessel and side branch

Items	Crush group (n = 150)	Culotte group (n = 150)	P
Proximal main vessel segment
Minimal luminal diameter, mean ± SD, mm	1.85 ± 0.49	1.87 ± 0.46	0.882
Acute gain	1.89 ± 0.39	1.93 ± 0.42	0.792
Late loss	0.28 ± 0.18	0.25 ± 0.22	0.718
Diameter stenosis, mean ± SD, %
Prior stenting	56.06 ± 8.72	57.19 ± 10.13	0.708
After PCI	8.95 ± 5.31	8.43 ± 4.92	0.753
Follow-up	12.52 ± 7.60	11.90 ± 6.99	0.792
Restenosis, n (%)
In-stent	0 (0)	0 (0)	NA
Edge	2 (1.3)	1 (0.7)	0.624
Distal main branch segment
Minimal luminal diameter, mean ± SD, mm	1.42 ± 0.45	1.47 ± 0.38	0.664
Acute gain	1.71 ± 0.36	1.74 ± 0.31	0.788
Late loss	0.26 ± 0.24	0.22 ± 0.19	0.540
Diameter stenosis, mean ± SD, %
Prior stenting	63.93 ± 7.85	66.33 ± 9.37	0.384
After PCI	11.48 ± 7.93	11.26 ± 6.69	0.926
Follow-up	18.80 ± 10.78	16.45 ± 10.63	0.492
Restenosis, n (%)
In-stent	2 (1.3)	1 (0.7)	0.624
Edge	3 (2.0)	1 (0.7)	0.622
Side branch
Minimal luminal diameter, mean ± SD, mm	1.23 ± 0.34	1.32 ± 0.29	0.345
Acute gain	1.32 ± 0.36	1.35 ± 0.31	0.736
Late loss	0.23 ± 0.24	0.25 ± 0.24	0.848
Diameter stenosis, mean ± SD, %
Prior stenting	55.62 ± 10.42	56.25 ± 11.81	0.859
After PCI	14.26 ± 11.20	13.02 ± 10.45	0.720
Follow-up	20.94 ± 12.77	17.61 ± 10.57	0.375
Restenosis, n (%)
In-stent	14 (9.3)	5 (3.3)	0.033
Edge	4 (2.7)	5 (3.3)	0.735

Values are mean ± SD or n (%). Restenosis was defined as ≥50% diameter stenosis at 12-month follow-up. SD: Standard deviation; PCI: Percutaneous coronary intervention; NA: Not applicable.