Table 2. Quantitative coronary angiographic serial assessments.

		Post-procedure (all patients, n=45)	6 months (cohort 1, n=28)	1 year (cohort 2, n=17)	2 years (cohort 1, n=21)	3 years (cohort 2, n=8)	p-value post-procedure vs 6 months	p-value 6 months vs 1 year	p-value 1 year vs 2 years	p-value 2 years vs 3 years
RVD, mm	In-scaffold	3.08±0.39	3.00±0.33	2.93±0.38	3.04±0.36	3.00±0.35	0.33	0.52	0.34	0.78
	In-segment	3.00±0.44	2.96±0.35	2.87±0.41	3.06±0.47	2.87±0.43	0.71	0.41	0.18	0.32
MLD, mm	In-scaffold	2.78±0.36	2.46±0.44	2.37±0.58	2.39±0.44	2.51±0.46	0.001	0.56	0.90	0.54
	In-segment	2.55±0.39	2.35±0.40	2.20±0.50	2.34±0.41	2.36±0.41	0.03	0.28	0.36	0.89
DS, %	In-scaffold	9.3±6.5	17.5±12.6	18.1±18.6	21.2±10.8	16.0±15.1	0.003	0.91	0.55	0.30
	In-segment	14.3±7.3	20.3±10.9	22.1±17.9	23.1±10.9	16.8±15.1	0.014	0.72	0.84	0.21
Binary restenosis	In-scaffold	-	1 (3.6%)	2 (11.8%)	1 (4.5%)	0 (0%)	-	0.55	0.57	1.00
	In-segment	-	1 (3.6%)	2 (11.8%)	1 (4.5%)	0 (0%)	-	0.55	0.57	1.00
LLL, mm	In-scaffold	-	0.33±0.27	0.39±0.50	0.40±0.31	0.37±0.57	-	0.63	0.95	0.86
	In-segment	-	0.25±0.26	0.27±0.45	0.27±0.35	0.21±0.38	-	0.88	0.99	0.67
Vasomotion, mm		-	0.11±0.12	0.15±0.28	0.13±0.10	0.10±0.15	-	0.62	0.80	0.54
Quantitative flow ratio		0.95±0.03	0.93±0.07	0.87±0.13	0.95±0.03	0.88±0.08	0.15	0.10	0.04	0.07
Data are mean±standard deviation or number (%). DS: diameter stenosis; LLL: late lumen loss; MLD: minimum lumen diameter; RVD: reference vessel diameter