Table 3. Quantitative coronary angiography measurements of CBL in patients after crossover and culottes techniques.

Variable	PMV			MB			SB
	Crossover n = 52	Culottes n = 52	p	Crossover n = 52	Culottes n = 52	p	Crossover n = 52	Culottes n = 52	p
Lesion length, (mm)	7.64 ± 4.86	8.13 ± 4.54	0.593	14.73 ± 7.70	15.78 ± 8.59	0.515	12.80 ± 4.92	14.10 ± 7.12	0.279
Reference diameter, (mm)
Baseline	3.38 ± 0.56	3.29 ± 0.49	0.404	3.06 ± 0.49	3.01 ± 0.42	0.592	2.44 ± 0.40	2.56 ± 0.30	0.095
Post-PCI	3.48 ± 0.62	3.33 ± 0.50	0.188	3.19 ± 0.53	3.04 ± 0.42	0.109	2.45 ± 0.40	2.74 ± 0.35	< 0.001
Follow-up	3.45 ± 0.58	3.34 ± 0.48	0.269	3.18 ± 0.48	3.05 ± 0.43	0.148	2.42 ± 0.39	2.70 ± 0.36	< 0.001
Minimal lumen diameter, (mm)
Baseline	1.29 ± 0.88	1.16 ± 0.81	0.431	0.76 ± 0.62	0.85 ± 0.62	0.439	0.59 ± 0.30	0.56 ± 0.33	0.666
Post-PCI	3.24 ± 0.59	3.13 ± 0.48	0.326	2.88 ± 0.53	2.74 ± 0.43	0.159	2.01 ± 0.61	2.40 ± 0.35	< 0.001
Follow-up	3.11 ± 0.63	3.02 ± 0.57	0.414	2.59 ± 0.49	2.45 ± 0.67	0.23	1.62 ± 0.65	2.03 ± 0.51	0.001
PDS %
Baseline	61.42 ± 26.99	64.93 ± 24.54	0.49	75.21 ± 20.62	71.69 ± 19.87	0.379	76.22 ± 11.60	77.79 ± 12.61	0.512
Post-PCI	7.02 ± 5.66	6.11 ± 4.86	0.384	9.97 ± 5.71	9.87 ± 6.01	0.929	18.73 ± 16.52	12.30 ± 7.43	0.012
Follow-up	9.62 ± 12.42	9.73 ± 8.86	0.959	18.38 ± 13.23	19.99 ± 16.88	0.589	34.03 ± 19.49	24.90 ± 16.54	0.011
In-stent late lumen loss, (mm)	0.12 ± 0.42	0.11 ± 0.41	0.926	0.29 ± 0.42	0.29 ± 0.49	0.966	0.39 ± 0.31	0.37 ± 0.50	0.812
Restenosis (in-segment)	0 (0)	1 (1.9)	1	1(1.9)	4 (7.7)	0.363	9 (17.3)	5 (9.6)	0.25

CBL, coronary bifurcation lesions; MB, main branch; PCI, percutaneous coronary intervention; PDS, percent diameter stenosis; PMV, parent main vessel; SB, side branch.