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Table 1 Clinicopathologic parameters of the female dogs included in the study and their tumours

From: Vitamin D receptor (VDR) expression in different molecular subtypes of canine mammary carcinoma

Variable Range No. of samples Percent (%)
Age at diagnosis <10 years 20 44.5
≥10 years 25 55.5
Breed Pure 22 48.9
Crossing 23 51.1
No. of tumours One 20 44.5
More than one 25 55.5
Tumour size <3 cm 43 74.1
≥3 cm 15 25.9
Lymphatic invasion Yes 16 27.6
No 42 72.4
Histologic subtype Simple 21 36.2
Complex 27 46.6
Mixed 10 17.2
Histologic grade Grade 1 29 50.0
Grade 2 18 31.0
Grade 3 11 19.0
VDR expression Positive cases 16 27.6
Negative cases 42 72.4
Molecular subtype Luminal A 21 36.2
Luminal B 11 19.0
HER2-overexpression 6 10.3
Triple-negative 20 34.5
 Basal-like 18 31.0
 Non basal-like 2 3.4