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Table 2 Pearson Chi squared statistic.

From: Molecular-based tumour subtypes of canine mammary carcinomas assessed by immunohistochemistry

  Luminal-like A
(n. 13)
Luminal-like B
(n. 22)
Basal-like
(n.10)
P value
Invasion (stage)     0.76
Non-infiltrating (0) 1 4 2  
Stromal invasion (I) 8 10 6  
Vascular invasion (II) 4 8 2  
Grade     0.009
Grade 1 9 3 6  
Grade 2 2 9 3  
Grade 3 2 10 1  
Histotype     0.47
Simple 6 10 3  
Complex/mixed 6 12 7  
Other 1 0 0  
  1. Comparison between molecular phenotypes (luminal-like A, B, and basal-like) and invasion or grade or histotype groups.