After adjusting for confounding factors, including age, the duration of diabetes, HbA1c, TC, TG, HDL, LDL, UA, Cr, and 24 h microalbuminuria (24 h-mAlb), GNRI was positively correlated with Ca, 25(OH)D, and PTH and negatively correlated with ALP and PINP (Table 2). The gene discussed is PTH; the disease is diabetes mellitus.