Table 4.
Results of the final multivariable Cox regression model for risk factors for development of azotemia in cats
| Variable | Β | SE | Hazard Ratio | 95% CI for Hazard Ratio | P Value | |
|---|---|---|---|---|---|---|
| Lower | Upper | |||||
| Vaccination status | .008 | |||||
| Frequent/ annual vaccination | 1.74 | 0.58 | 5.68 | 1.83 | 17.64 | .003 |
| Dental disease category | <.001 | |||||
| Mild | 0.77 | 0.91 | 2.15 | 0.36 | 12.77 | .398 |
| Moderate | 2.63 | 0.98 | 13.83 | 2.01 | 94.99 | .008 |
| Severe | 3.57 | 1.07 | 35.35 | 4.31 | 289.73 | .001 |
The reference category for vaccination status was never/occasional vaccination and for dental disease was no dental disease. B is the beta coefficient of the variable.