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. Author manuscript; available in PMC: 2012 Feb 1.
Published in final edited form as: Breast Cancer Res Treat. 2011 Mar 12;131(3):743–750. doi: 10.1007/s10549-011-1435-0

Table 2.

Tissue type
IC Normal Breast
Tissues		 Total P-value1
N % N % N %
ER status Negative 172 76.1 - - 172 64.7 <.0001
Positive 54 23.9 40 100.0 94 35.3
Total 226 100.0 40 100.0 266 100.0
PR status Negative 188 83.2 17 42.5 205 77.1 <.0001
Positive 38 16.8 23 57.5 61 22.9
Total 226 100.0 40 100.0 266 100.0
1

Chi-square or Fisher’s exact test when appropriate.

IC: Invasive Carcinomas