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. Author manuscript; available in PMC: 2017 Jul 1.
Published in final edited form as: Cancer Epidemiol Biomarkers Prev. 2016 Apr 12;25(7):1059–1063. doi: 10.1158/1055-9965.EPI-16-0011

Table 2.

Distribution of epithelial ovarian cancer (EOC) cases according to histological subtype, by cohort

AARP
N=836
CTS
n-380
WHI
N=599
Total
N=1815

N % N % N % N %
All cases 836 46.0 380 21.3 599 33.0 1815 100.0
  Serous 436 52.2 169 44.5 297 49.6 902 49.7
  Endometrioid 67 8.0 44 11.6 59 9.9 170 9.4
  Mucinous 36 4.3 13 3.4 21 3.5 70 3.9
  Clear Cell 26 3.1 20 5.3 30 5.0 76 4.2
  Undifferentiated/Unclassified 271 32.4 134 35.2 192 32.0 597 32.8