Table 6. Combined effect of treatment and myxomatous mitral valve disease stage according to the American College of Veterinary Internal Medicine (ACVIM) classification on symmetric dimethylarginine (SDMA) concentration in dogs in ACVIM stage B2 and C.

ACVIM class	Not treated	Treated	P-value
SDMA—B2 (μg/dl)	13 (11–14)	14 (6–14)	0.93
SDMA–C (μg/dl)	17 (3–35)	13.5 (11–20)	0.99

Mann-Whitney non parametric test.

Data are reported as median (interquartile range).

Abbreviations: SDMA, symmetric dimethylarginine.