Table 1.

Features of studies included in this meta-analysis

Research	Year	country	Sample size	Diagnosis	Type	History	Dosage regimen (statin / contrast)	Endpoints
Jia	2009	China	228	ACS	Simvastatin	NA	80 mg/20 mg	TIMI
STATIN STEMI	2009	Korea	171	STEMI	Atorvastatin	statin naïve	80 mg/10 mg	TIMI
Hahn	2011	Korea	173	STEMI	Atorvastatin	statin naïve	80 mg/no statin	TIMI MBG
REPERATOR	2012	Netherlands	42	STEMI	Atorvastatin	statin naïve	80 mg/placebo	TIMI
Chen	2013	China	156	STEMI	Atorvastatin	statin naïve	80 mg 1.5 h before/placebo 1.5 h before angiography	TIMI
He	2013	China	84	SCAD	Atorvastatin	NA	40 mg/10 mg	IMR
Liu	2013	China	102	STEMI	Atorvastatin	NA	80 mg/no statin	TIMI
Takano	2013	Japan	210	SCAD	Rosuvastatin	statin naïve	20 mg from 5 to 7 days before planned intervention/2.5 mg	TIMI
ROSEMARY	2014	Korea	132	STEMI	Rosuvastatin	NA	80 mg/placebo	TIMI
Su	2014	China	66	UA	Atorvastatin	statin naïve	80 mg/20 mg	TIMI
AT-STEMI	2015	Korea	67	STEMI	Atorvastatin	statin naïve	80 mg/no statin	TIMI、MBG
SAMIT	2015	Japan	190	STEMI	Atorvastatin	NA	40 mg vs. no statin	TIMI
Shehata	2015	Egypt	118	NSTE-ACS	Atorvastatin	NA	80 mg 12 and 2 h before angiography/no statin	TIMI
Yang	2015	China	96	UA	Atorvastatin	statin naïve	80 mg/20 mg	TIMI
Liu	2016	China	798	CAD	Atorvastatin	NA	80 mg/no statin	TIMI
RESIST-ACS	2016	Korea	77	NSTE-ACS	Atorvastatin	statin naïve	80 mg within 12 to 24 h and 40 mg 2 h before PCI vs.10 mg 12 to 24 h before PCI	IMR
Yan	2016	China	114	STEMI	Atorvastatin	NA	80 mg/20 mg	TIMI
Liu	2017	China	138	STEMI	Atorvastatin	NA	40 mg vs. 20 mg or no statin	TIMI
Shehata	2017	Egypt	100	NSTEMI	Atorvastatin	statin naïve	80 mg 24 and 12 h before angiography/no statin	TIMI
García-Méndez	2018	Mexico	103	STEMI	Atorvastatin	NA	80 mg/no statin	TIMI、MBG

NA No data available, ACS acute coronary syndrome, STEMI ST-segment elevation myocardial infarction, Nste-ACS Non-ST-segment elevation acute coronary syndrome, TIMI thrombolysis in myocardial infarction, MBG Myocardial blush grade, IMR index of microvascular resistance