Skip to main content

Table 2 Association between tumor histologic grade and intrinsic subtype in the 315-sample combined test set.

From: The molecular portraits of breast tumors are conserved across microarray platforms

  Intrinsic Subtype
Two-way contingency table LumA
(#of pts.)
LumB
(#of pts.)
IFN
(#of pts.)
HER2+/ER-
(#of pts.)
Basal-like
(#of pts.)
Grade      
1 (well) 29 2 1 0 1
2 (intermediate) 45 26 8 6 16
3 (poor) 15 32 16 21 67
Statistics for two-way contingency table analysis
p-value† <0.0001
Cramer's V†† 0.42
  1. †p-value calculated from Chi-square test on contingency table. ††Cramer's V statistic (value can range from 0 to 1) measures the strength of association between the two variables analyzed in the contingency table, with 1 indicating perfect association and 0 indicating no association.