Fig. 2From: Vitamin D status and epigenetic-based mortality risk score: strong independent and joint prediction of all-cause mortality in a population-based cohort studyGraphs of the best-fitting models for relationships of 25(OH)D concentrations (a) and the ordinal mortality risk score (b) with all-cause mortality. Legend: red lines, estimation; dashed lines, confidence limits; red dots, knots; green lines, reference linesBack to article page