The Diagnostic and Prognostic Value of miR-200c in Gastric Cancer: A Meta-Analysis

Table 1

Characteristics of the studies that related to the diagnosis of gastric cancer.

Study	Country/year	Design	Sample type	Tumor/control	Stage	Cut-off	Test method	Sensitivity	Specificity	QUADAS
Tseng CW	China/2011	R	Tissue	22/22	I-IV	2670.5	Microarray	54.5%	54.5%	10
Valladares-Ayerbes	Spain/2012	R	Blood	52/15	I-IV	62.4	qRT-PCR	65.4%	100%	13
Lin GY	China/2013	R	Blood	50/50	I-IV	0.12	qRT-PCR	67.5%	78.5%	11
Tang JL	China/2015	R	Blood	47/50	I-IV	1.285	qRT-PCR	97.0%	54.0%	12
Keller A	Germany/2014	R	Tissue	11/93	I-IV	101.04	Microarray	72.7%	55.9%	12
Sierzega M	Poland/2017	R	Tissue	20/20	I-IV	0.342	Microarray	60.0%	45.0%	13

R: retrospective; QUADAS: quality assessment of diagnostic accuracy studies.