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Table 5 Proportions of the different histological types of benign CMT diagnosed between 2011 and 2020

From: Epidemiology of canine mammary tumours on the Canary Archipelago in Spain

Histological type

Proportion (CI95%)

Trend test p-value*

Simple adenoma

33.54% (29.31%; 37.98%)

0.6770

Benign mixed tumour

31.66% (27.50%; 36.04%)

0.2350

Complex adenoma (adenomyoepithelioma)

28.51% (24.50%; 32.79%)

0.4350

Fibroadenoma

2.31% (1.16%; 4.09%)

0.2860

Myoepithelioma

2.31% (1.16%; 4.09%)

0.5920

Ductal adenoma (basaloid adenoma)

1.47% (0.59%; 3.00%)

0.0235

Fibrolipoma

0.21% (0.01%; 1.16%)

0.9990

  1. *A significant p-value (less than 0.05) implies some kind of trend (upward or downward) on the relative proportion of the histological type over the study period. Otherwise, the relative proportion has remained stable