RARRES2 and osteoporosis: On the partial correlation analyses adjusted for age and BMI, plasmatic chemerin level was positively correlated with FBG (R = 0.342, P < 0.01) and insulin (R = 0.440, P < 0.01) in osteoporosis group and was positively correlated with LDL-C (R = 0.400, P < 0.01) and FBG (R = 0.300, P < 0.01) in control.