Table 4.

Percentage of tissue samples staining positive, by histologic type

AntigenPositive staining, n (%)*
Serous invasive
Serous borderline
Mucinous
Endometrioid
Clear cell
P
n = 68n = 12n = 17n = 35n = 17
Ki-6739 (57%)1 (8%)2 (12%)14 (40%)6 (35%)0.001
PR12 (18%)5 (42%)5 (29%)18 (51%)0 (0%)<0.001
p5339 (57%)1 (8%)4 (24%)12 (34%)1 (6%)<0.001
ER-α36 (53%)6 (50%)6 (35%)19 (54%)4 (24%)0.26
WT-161 (90%)8 (67%)3 (18%)13 (37%)1 (6%)<0.001
CK757 (84%)12 (100%)14 (82%)16 (46%)13 (76%)<0.001
CK206 (9%)0 (0%)7 (41%)1 (3%)0 (0%)0.001
  • * Calculated using the maximum value of the three cores that was then dichotomized (positive if staining in >10% of cells).

  • P value calculated using Fisher's exact test using the maximum value of the three cores from each tumor block.