TABLE 4.
Results of the multivariable logistic regression analysis for the risks for developing atrial fibrillation in 2194 dogs with myxomatous mitral valve disease
| Predictors | Odds ratio | Lower 95% CI | Upper 95% CI | P value |
|---|---|---|---|---|
| Model 1 | ||||
| LA/Ao | 14.011 | 7.463 | 26.304 | <.001 |
| E‐max | 2.204 | 1.192 | 4.076 | .003 |
| BW | 1.094 | 1.058 | 1.130 | <.001 |
| FS | 0.899 | 0.865 | 0.934 | <.001 |
| Model 2 | ||||
| LA | 5.280 | 3.377 | 8.092 | <.001 |
| ACVIM stage C + D | 4.922 | 1.481 | 16.353 | .009 |
| FS | 0.919 | 0.881 | 0.959 | <.001 |
Abbreviations: ACVIM, American College of Veterinary Internal Medicine; BW, body weight; E max, mitral valve maximal E wave velocity; FS, fractional shortening; LA, left atrial diameter; LA/Ao, left atrial diameter to aortic diameter.