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Table 7 Significant correlation between subtypes of breast cancer identified by reverse phase protein array (RPPA) and by transcriptional profiling

From: A Technical Assessment of the Utility of Reverse Phase Protein Arrays for the Study of the Functional Proteome in Non-microdissected Human Breast Cancers

Subtypes by transcriptional profiling Basal erbb2 Luminal a Luminal b Normal Total
Subgroups defined by RPPA
1 0 0 12 2 1 15
2 0 0 18 9 1 28
3 4 1 9 0 6 20
4 3 2 3 2 9 19
5 17 1 0 6 0 24
6 0 14 0 8 0 22
Total 24 18 42 27 17 128
Chi-square statistics section
Chi-square 170.128355      
Degrees of freedom 20      
Probability Level (p) 0.000000      
  1. This correlation was assessed by cross tabulation and the p value is shown below