CST3 and familial dilated cardiomyopathy: In contrast, no significant differences were found between the healthy dogs and those with DCM in terms of cystatin C, cystatin C/creatinine ratio, KIM-1, and KIM-1/creatinine ratio (0.24 ± 0.04 mg/L, 0.26 ± 0.07, 0.61 ± 0.07, 0.67 ± 0.13 vs. 0.27 ± 0.1 mg/L, 0.32 ± 0.12, 0.61 ± 0.08, 0.69 ± 0.17 ng/mL, respectively) (Table 2, Figure 1).