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. 2008 Jan 22;8:17. doi: 10.1186/1471-2407-8-17

Table 1.

Comparison of PIK3 CA amplification or p53/p21 protein expression in High Grade Serous Ovarian Tumours

Group PIK3CA amplification (MIP copy number) p53/p21 IHC
+/- +/+, -/- -/+
BRCA1 loss through mutation 0/9*+ 4/9 2/9 3/9
BRCA1 epigenetic loss 7/8*+ 8/9** 1/9 0/9
No BRCA1 loss 3/11+ 3/12** 5/12 4/12

* p = 0.02 for pairwise comparison based on Bonferroni-Holmes corrected Fisher exact test

** p = 0.03 for pairwise comparison based on Bonferroni-Holmes corrected Fisher exact test

+ p = 0.001 for threeway comparison based on Bonferroni-Holmes corrected Fisher exact test