Fig. 2From: Sodium, potassium intake, and all-cause mortality: confusion and new findingsDose–response relationships between sodium intake and all-cause mortality. Legend: The associations were adjusted for all covariates except age. The solid line and the ribbon represent the estimated HRs and its 95% CI. a represent the curve in age of 40–60, b represent the curve in age of 60–80Back to article page