Table 4. Cumulative Events Up to Three Years after the Nested Control Period.

Variables	Entire patients			Propensity score-matched patients			Hazard ratio (95% CI)	p value
	RAF (n=425)	CF (n=349)	p value	RAF (n=248)	CF (n=248)	p value
Total death, n (%)	7 (1.6)	13 (3.7)	0.070	4 (1.6)	6 (2.4)	0.523	0.66 (0.18–2.37)	0.526
Cardiac death	03 (0.7)	06 (1.7)	0.313	02 (0.8)	03 (1.2)	NS	0.66 (0.10–4.00)	0.655
Non-cardiac death	4 (0.9)	7 (2.0)	0.237	2 (0.8)	3 (1.2)	NS	0.66 (0.11–4.00)	0.664
Myocardial infarction (MI) , n (%)	10 (2.3)	12 (3.4)	0.366	04 (1.6)	08 (3.2)	0.242	0.49 (0.14–1.65)	0.252
ST-segment elevation MI	4 (0.9)	5 (1.4)	0.738	1 (0.4)	3 (1.2)	0.623	0.33 (0.03–3.20)	0.339
Non-ST-segment elevation MI	06 (1.4)	07 (2.0)	0.522	03 (1.2)	05 (2.0)	0.724	0.59 (0.14–2.51)	0.722
Revascularizations, n (%)	80 (18.8)	17 (4.8)	<0.001	53 (21.3)	14 (5.6)	<0.001	4.54 (2.44–8.43)	<0.001
TLR	44 (10.3)	15 (4.2)	0.002	27 (10.8)	12 (4.8)	0.012	2.40 (1.18–4.85)	0.015
TVR	57 (13.4)	15 (4.2)	<0.001	36 (14.5)	12 (4.8)	<0.001	3.33 (1.69–6.58)	0.001
Non-TVR	29 (6.8)	04 (1.1)	<0.001	21 (8.4)	04 (1.6)	<0.001	5.64 (1.90–16.6)	0.002
Stent thrombosis, n (%)	6 (1.4)	4 (1.1)	NS	2 (0.8)	4 (1.6)	0.686	0.49 (0.09–2.73)	0.421
Late	03 (0.7)	00 (0.0)		02 (0.8)	00 (0.0)
Very late	3 (0.7)	4 (1.1)		0 (0.0)	4 (1.6)
TLR MACE, n (%)	47 (11.0)	22 (6.3)	0.021	29 (11.6)	15 (6.0)	0.027	2.05 (1.07–3.94)	0.030
TVR MACE, n (%)	65 (15.2)	29 (8.3)	0.003	40 (16.1)	18 (7.2)	0.002	2.45 (1.36–4.41)	0.003
Total MACE, n (%)	86 (20.2)	31 (8.8)	<0.001	56 (22.5)	20 (8.0)	<0.001	3.32 (1.92–5.73)	<0.001
Follow-up, day	1088±55	1076±10	0.039	1087±63	1082±89	0.442

RAF, routine angiographic follow-up; CF, clinical follow-up; MACE, major adverse cardiovascular events; TLR, target lesion revascularization; TVR, target vessel revascularization; CI, confidence interval; NS, not significant (>0.999).

Values are numbers and percentages. The p value for categorical data from chi-square test or Cox-proportional hazard models.