REN and diabetes mellitus: The three groups were similar with respect to demographics and clinical characteristics (including age, gender, BP values, body composition, ethnicity and prevalence of diabetes) but renin was lower in those in the highest tertile of eGCSS compared to the lowest tertile (17.72 ± 18 μU/l vs. 84.27 ± 146.5 μU/l, p = 0.012, Fig. 3).