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Table 4 Proportions of the different histological types of benign CMT diagnosed between 2003 and 2010

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

Histological type

Proportion (CI95%)

Trend test p-value*

Simple adenoma

38.73% (33.32%; 44.35%)

0.9160

Benign mixed tumour

34.29% (29.05%; 39.82%)

0.1550

Complex adenoma

19.05% (14.86%; 23.83%)

0.2680

Duct papilloma

2.86% (1.31%; 5.35%)

0.0025

Fibroadenoma

2.86% (1.31%; 5.35%)

0.2770

Basaloid adenoma

1.90% (0.70%; 4.10%)

0.6720

Osteoma

0.32% (0.01%; 1.76%)

0.1590

  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