TABLE 3.

Multivariable logistic regression analysis to identify independent predictors of stage C in dogs with myxomatous mitral valve disease

Variable	Odds ratio	95% CI	P
Ea/Ees (per 0.1‐unit increase)	1.628	1.228‐2.158	.0007
E/IVRT (per 0.1‐unit increase)	1.070	1.013‐1.131	.02

Notes: Hosmer‐Lemeshow test χ² = 3.134, P = .93. This analysis included 90 dogs with myxomatous mitral valve disease, including 38 in stage B1, 32 in stage B2, and 20 in stage C.

Abbreviations: CI, confidence interval; E, peak velocity of the early diastolic wave of transmitral flow; Ea, effective arterial elastance; Ees, left ventricular end‐systolic elastance; Ea/Ees, Ea to Ees ratio; E/IVRT, E to IVRT ratio; IVRT, isovolumic relaxation time.