Table 2.
Logistic regression analysis of tumor malignancy based on location, sex, and age in feline cases.
| Category | p Value | Exp(B) | 95% CI for Exp(B) | ||
|---|---|---|---|---|---|
| Lower | Upper | ||||
| Location | Skin and subcutis (n = 408) | Reference | |||
| Mammary tissue (n = 159) | <0.001 | 20.255 | 10.067 | 40.753 | |
| Oral cavity (n = 41) | 0.022 | 2.208 | 1.121 | 4.346 | |
| Alimentary tract (n = 30) | <0.001 | 34.927 | 7.998 | 152.521 | |
| Reproductive system (n = 11) | 0.070 | 3.362 | 0.904 | 12.511 | |
| Urinary system (n = 10) | 0.008 | 17.234 | 2.070 | 143.462 | |
| Respiratory system (n = 9) | 0.010 | 16.267 | 1.966 | 134.567 | |
| Others (n = 21) | <0.001 | 19.411 | 4.326 | 87.090 | |
| Sex | Male (n = 306) | Reference | |||
| Female (n = 383) | 0.476 | 1.157 | 0.774 | 1.731 | |
| Age | <6 years (n = 200) | Reference | |||
| 6–8 years (n = 175) | <0.001 | 2.504 | 1.518 | 4.131 | |
| 9–11 years (n = 169) | <0.001 | 3.357 | 1.985 | 5.679 | |
| >11 years (n = 145) | <0.001 | 4.702 | 2.690 | 8.219 | |