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Table 4 Binary logistic regression analysis showing the association of cutaneous tumors development with age, sex, and purebreds vs mixed breed dogs

From: Retrospective study of canine cutaneous tumors submitted to a diagnostic pathology laboratory in Northern Portugal (2014–2020)

FACTOR CRUDE OR (95%CI) ADJ. OR (95%CI) P (LR-TEST) P (WALD'S TEST))
AGE (QUARTIS)     < 0.001  
0 – [0–8 YEARS OLD]* 1.00 (REF) 1.00 (REF)   
1 – [8–10 YEARS OLD] 2.03 (1.62,2.56) 1.97 (1.56,2.5)    < 0.001
2 – [10–12 YEARS OLD] 2.02 (1.61,2.54) 1.91 (1.5,2.42)    < 0.001
3 – [12–19 YEARS OLD] 2.05 (1.63,2.58) 1.89 (1.48,2.42)    < 0.001
SEX     < 0.001  
MALE* 1.00 (REF) 1.00 (REF)   
FEMALE 2.99 (2.51,3.55) 2.93 (2.46,3.49)    < 0.001
PUREBRED VS MIXED     < 0.001  
MIXED* 1.00 (REF) 1.00 (REF)   
PUREBRED 0.63 (0.53,0.74) 0.75 (0.62,0.89)    < 0.001
  1. *REF, reference group