Prevalence and Prognosis of Anemia in Dogs with Degenerative Mitral Valve Disease

Table 1

Baseline characteristics of 114 dogs affected with degenerative mitral valvular disease according to the modified New York Heart Association (NYHA) functional classification.

Characteristic	NYHA II ()	NYHA III ()	NYHA IV ()
Age, years	9.5 ± 3.5	11.6 ± 2.7^†	12.3 ± 3.1^†
Number of females/number of males	24/14	22/24	15/15
Body weight, kg	5.4 ± 2.4	5.8 ± 3.7	5.3 ± 2.7
Heart rate, beats per minute	114 ± 26	131 ± 26^†	135 ± 27^†‡
Blood pressure, mmHg	142 ± 23	136 ± 23	122 ± 19^†
Vertebral heart scale	9.9 ± 0.9	10.9 ± 0.5^†	12.5 ± 0.4^†‡
LA/Ao	1.6 ± 0.3	1.9 ± 0.3^†	2.5 ± 0.4^†‡
Median survival (95% CI), months	42 (33.7–50.3)	26 (21.3–30.7)	7 (3.6–10.4)

Data are presented as mean ± SD or median (95% confidence interval [CI]).
LA/Ao, left atrium to aorta ratio.
^† versus class II; ^‡ versus class III.