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. Author manuscript; available in PMC: 2017 Mar 1.
Published in final edited form as: Am J Surg Pathol. 2016 Mar;40(3):302–312. doi: 10.1097/PAS.0000000000000550

Table 3.

Number of CEFs and Tumor Classification

CEFs Endometrioid Non-endometrioid P value Sn Sp PPV NPV
0–1 CEFs 31 45 <0.001 59% 100% 100% 59%
2–4 CEFs 45 0
Absent 15 31 <0.001 80% 94% 97% 67%
Present 61 2

Sn = sensitivity; Sp = specificity; PPV = positive predictive value; NPV = negative predictive value (Uncertain cases excluded from these calculations)