Multivariate cox proportional hazard models of bone sarcoma in a cohort of Rottweiler dogs
| . | Hazard ratio (95% CI) . | P . |
|---|---|---|
| Model 1 (n = 578 dogs) | ||
| Gender | 0.90 (0.48–1.69) | 0.73 |
| Months sexually intact | 0.99 (0.98–0.99) | <0.0001 |
| Adult height (cm) | 1.02 (0.93–1.10) | 0.73 |
| Adult body weight (kg) | 0.99 (0.94–1.05) | 0.83 |
| Model 2 | ||
| Male (n = 202 dogs) | ||
| Months sexually intact | 0.99 (0.98–1.00) | 0.003 |
| Adult height (cm) | 1.11 (0.95–1.29) | 0.21 |
| Adult body weight (kg) | 0.98 (0.90–1.07) | 0.72 |
| Female (n = 329 dogs) | ||
| Mo sexually intact | 0.98 (0.98–0.99) | 0.001 |
| Adult height (cm) | 0.98 (0.89–1.08) | 0.70 |
| Adult body weight (kg) | 0.99 (0.93–1.06) | 0.75 |
| . | Hazard ratio (95% CI) . | P . |
|---|---|---|
| Model 1 (n = 578 dogs) | ||
| Gender | 0.90 (0.48–1.69) | 0.73 |
| Months sexually intact | 0.99 (0.98–0.99) | <0.0001 |
| Adult height (cm) | 1.02 (0.93–1.10) | 0.73 |
| Adult body weight (kg) | 0.99 (0.94–1.05) | 0.83 |
| Model 2 | ||
| Male (n = 202 dogs) | ||
| Months sexually intact | 0.99 (0.98–1.00) | 0.003 |
| Adult height (cm) | 1.11 (0.95–1.29) | 0.21 |
| Adult body weight (kg) | 0.98 (0.90–1.07) | 0.72 |
| Female (n = 329 dogs) | ||
| Mo sexually intact | 0.98 (0.98–0.99) | 0.001 |
| Adult height (cm) | 0.98 (0.89–1.08) | 0.70 |
| Adult body weight (kg) | 0.99 (0.93–1.06) | 0.75 |