Fig. 5

Mediation analysis of mortality risk factors. The mediation effects of systolic blood pressure (SBP) and fasting plasma glucose (FPG) on the relationship between lnRCII and all-cause mortality (A for NHANES, B for CHARLS), cardiovascular (CVD) mortality (C), and cancer mortality (D) were shown. Adjusted for age, sex, race (NHANES), education level, marital status, drinking, smoking, hypertension (with the exception of the SBP model), diabetes (with the exception of the FPG model), dyslipidemia, BMI