Table 1 Epidemiological characteristics of « Mammary cancer » versus « Non cancer » or « Benign mammary tumor » dog subgroups (Difference with p-value >0.05 is non-significant)
From: Pollutants in pet dogs: a model for environmental links to breast cancer
Characteristics | 54 Cancer (a) | 47 Non cancer (b) | 30 Benign tumor (c) | ||
|---|---|---|---|---|---|
Characteristics | Mean ± SD | Mean ± SD | p-value (d) | Mean ± SD | p-value (e) |
Age (year) | 10 ± 2.7 | 10 ± 2.5 | 0.104 | 10 ± 2.5 | 0.185 |
Weight (kg) | 16.9 ± 14.4 | 18.5 ± 11.6 | 0.282 | 15.1 ± 10.4 | 0.275 |
Canine equivalent for BMI | 5.5 ± 1.4 | 5.4 ± 1.1 | 0.714 | 5.5 ± 1.3 | 0.780 |
Lipids % in sample | 57.6 ± 15.3 | 58.8 ± 15.9 | 0.613 | 58.6 ± 15.3 | 0.835 |
Lipids weight in sample (g) | 0.711 ± 0.350 | 0.698 ± 0.353 | 0.826 | 0.741 ± 0.384 | 0.827 |
Other characteristics | Frequency | Frequency | Frequency | ||
Physical activity (per week) | |||||
▪ 0-1h | 47% | 27% | 30% | ||
▪ 1-2h | 23% | 21% | 21% | ||
▪ 2-5h | 18% | 30% | 30% | ||
▪ >5h | 12% | 22% | 19% | ||
Pet food | |||||
▪ Supermarket | 83% | 85% | 84% | ||
▪ Veterinary | 17% | 15% | 16% | ||
▪ Dry food | 72% | 73% | 73% | ||
▪ Humid food | 28% | 27% | 27% | ||
▪ + Leftovers | 71% | 70% | 70% | ||
Living place | |||||
▪ Countryside | 56% | 52% | 55% | ||
▪ Urban area | 23% | 33% | 31% | ||
▪ Downtown | 21% | 15% | 14% | ||
Smoking owner | |||||
▪ No smoker | 68% | 73% | 72% | ||
▪ Outside | 20% | 18% | 21% | ||
▪ Inside | 12% | 9% | 7% | ||
Number of litter | |||||
▪ 0 | 72% | 64% | 61% | ||
▪ 1 | 13% | 17% | 21% | ||
▪ ≥2 | 15% | 19% | 18% | ||
Ovariectomy | 23% | 47% | 26% |