[Retracted] Clinical Significance of Resistin Expression in Osteoarthritis: A Meta-Analysis

Table 1

Characteristics of included studies focused on protein expression of resistin.

First author	Year	Country	Sample size		Gender (M/F)		Age (years)		Method	Sample	CASP score
			Case	Control	Case	Control	Case	Control
Beekhuizen [33]	2013	The Netherlands	18	16	172/262	340/292			ELISA	SF	6
de Boer [24]	2012	The Netherlands	172	132	119/53	98/34			ELISA	Blood	8
Choe [22]	2012	Korea	60	46	—	—			ELISA	Blood	7
			50	46	—	—			ELISA	Blood
Filková [21]	2009	Czech	27	20	0/27	0/20	—	—	ELISA	Blood	6
			48	20	0/48	0/20	—	—	ELISA	Blood

M: male, F: female, ELISA: enzyme-linked immunosorbent assay, CASP: critical appraisal skills program.