[Retracted] Association between the Platelet-Derived Growth Factor/Platelet-Derived Growth Factor Receptor System and Risk of Rheumatoid Arthritis: A Systematic Review and Meta-Analysis

Figure 3

Odd ratios at 95% CI of individual studies and pooled data for the association between expression of only PDGFR (a) and only PDGF (b) expression with RA and association of PDGF/PDGFR system expression within subjects of Asian (c) and Western (d) countries.

(a)

(b)

(c)

(d)