Fig. 4

Association between lnRCII and mortality outcomes. RCS plots illustrating the association between lnRCII and mortality outcomes in the NHANES and CHARLS cohorts. Analyses include all-cause mortality for NHANES (A) and CHARLS (B) cohort, and cardiovascular mortality (C) and cancer mortality (D) for NHANES cohort. Adjusted for covariates in model 3. The figure displays the adjusted HR (solid lines) with 95% CI (shaded areas)