Figure 6d shows that the albumin, hemoglobin, and packed cell volume mostly contribute to detecting CKD in the "Set \documentclass[12pt]{minimal}\usepackage{amsmath}\usepackage{wasysym}\usepackage{amsfonts}\usepackage{amssymb}\usepackage{amsbsy}\usepackage{mathrsfs}\usepackage{upgreek}\setlength{\oddsidemargin}{-69pt}\begin{document}$$4$$\end{document}4" subset. This evidence concerns the gene ALB and chronic kidney disease.