Table 1.

Datasets and samples

Dataset/Breed	No. samples		CMT grouping
	Before QCa	After QC
English Springer Spanielb
	176	165	Cases
	83/33	78/32	Benign/malignant casesc
	122	94	Controls
Canine Biobank dataset
Boxer	50	46	High risk
Cocker Spaniel	50	46	High risk
Dachshund	50	48	High risk
English Setter	50	50	High risk
Standard Poodle	50	47	High risk
Beagle	50	47	Low risk
Bernese Mountain Dog	50	49	Low risk
Collie	50	45	Low risk
Shetland Sheepdog	50	50	Low risk

^a QC: Quality control.

^b Subset from the study by Rivera et al. [11].

^c As identified by histopathology by a veterinary pathologist at the time of the genotyping analysis. See Methods for further description.