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

Table 2

Characteristics of included studies focused on protein expression of resistin.

First author	Year	Country	Ethnicity	Male	Female	Age (years)		Sample	Method	CASP score
						Male	Female
Perruccio [12]	2014	Canada	Caucasians	33	45			Blood	ELISA	8
Massengale [32]	2012	USA	Caucasians	5	39			Blood	ELISA	6
Gegout [23]	2008	France	Caucasians	15	20			Blood	ELISA	7

ELISA: enzyme-linked immunosorbent assay, CASP: critical appraisal skills program.