Table 2.

Spearman correlation coefficients between red cell distribution width (RDW) or survival at six months and clinical, laboratory and echocardiographic variables.

Variable	RDW	p-Value	Survival (d)	p-Value
Age (month)	0.206	0.013	−0.261	0.002
Weight (kg)	0.091	0.275	−0.092	0.268
Sex—Male	−0.047	0.575	0.039	0.638
Breed—Pure breed	0.059	0.480	−0.041	0.623
Cardiac treatment Vs. No Treatment	0.159	0.113	−0.359	<0.001
Mixed treatment/disease Vs. No Treatment	0.087	0.468	−0.301	0.010
Other treatment/disease Vs. No treatment	0.075	0.494	−0.151	0.164
ACVIM stage C + D	−0.211	0.011	−0.265	0.001
AF	0.031	0.707	−0.123	0.139
PH	0.101	0.226	−0.122	0.142
Urea (mg/dL)	0.109	0.191	−0.342	< 0.001
Total protein (g/L)	0.188	0.024	0.082	0.326
Albumin (g/L)	0.007	0.936	0.142	0.087
Creatinine (mg/dL)	0.031	0.712	−0.135	0.105
WBC (103/μL)	−0.056	0.499	−0.388	<0.001
RBC (106/μL)	−0.193	0.020	0.054	0.516
Hemoglobin (g/dL)	−0.329	< 0.001	0.051	0.540
Hematocrit (%)	−0.322	< 0.001	0.061	0.462
RDW (%)	NA	NA	−0.171	0.040
MCV (fL)	−0.277	0.001	0.030	0.718
Platelet (103/μL)	0.119	0.152	−0.035	0.677
LA/Ao	−0.123	0.138	−0.352	< 0.001
LVDDn	−0.246	0.003	−0.175	0.034
LVSDn	−0.163	0.050	−0.144	0.082
FS (%)	−0.024	0.778	−0.015	0.861
E-max (cm/s)	−0.087	0.300	−0.282	0.001
TR Vmax (m/s)	0.094	0.306	−0.249	0.006
Survival (d)	−0.171	0.040	NA	NA

ACVIM: American College of Veterinary Internal Medicine; AF: atrial fibrillation; PH: pulmonary hypertension; WBC: white blood cell; RBC: red blood cell; RDW: red cell distribution width; MCV: mean corpuscular volume; LA/Ao: left atrial to aortic root diameter ratio; LVDDn: left ventricular diastolic diameter normalized for body weight; LVSDn: left ventricular systolic diameter normalized for body weight; FS: fractional shortening; E-max: trans-mitral peak E-wave velocity; TR Vmax: peak velocity of tricuspid regurgitation; NA: not applicable.