CST3 and cholestasis: Moreover, we found correlations to markers of renal function including creatinine (r = 0.283, p < 0.001, Figure 4a), GFR-cystatin C (r = −0.291, p = 0.001) (Figure 4b), urea (r = 0.324, p < 0.001) and cystatin C (r = 0.287, p = 0.001, Table 3), as well as to markers indicative of cholestasis such as bilirubin (r = 0.422, p < 0.033), γ-glutamyltransferase (r = 0.243, p < 0.001) and alkaline phosphatase (r = 0.211, p < 0.003, Table 3).