Fig. 4

Subgroup and interaction analyses on the association of the BRI and new-onset CVD in the population without diabetes. P-interaction refers to the interaction effect of other covariates on the influence of the BRI on new-onset CVD, which is tested by adding interaction terms to the regression model. Adjusted covariates included age, sex, education level, BMI, CMI, HTN, dyslipidemia, smoking, drinking, physical activity, WBC, Plt, FBG, Cr, TC, TG, HDL-C, LDL-C, CRP, HbA1, HCT, and Hb. HR: hazard ratio; CI: confidence interval