Fig. 1

Age-adjusted SAF Z-scores increase with a higher number of MetS components. Bars reflect mean SAF Z-scores ± standard error. Men: no MetS component (n = 8999), one MetS component (n = 10,535), two MetS components (n = 6847), three MetS components (3955), four MetS components (n = 1821), five MetS components (n = 445). Women: no MetS component (n = 17,062), one MetS component (n = 14,423), two MetS components (n = 928), three MetS components (n = 3725), four MetS components (n = 1365), five MetS components (n = 277). SAF skin autofluorescence, MetS metabolic syndrome