Table 1

CD44 positivity by histology, grade, and stage

No. of casesPositivity, n (%)P
Histology
 Serous3816 (42)
 PD NOSa63 (50)
 Mucinous50 (0)
 Clear cell31 (33)
 MMMT21 (50)
 Endometrioid21 (50)
 Total5622 (39)0.566
Grade
 Well51 (20)
 Moderate84 (50)
 Poor4317 (40)
 Total5622 (39)0.558
Stage
 Distant4921 (43)
 Nondistant71 (14)0.226
  • a PD, poorly differentiated; NOS, not otherwise specified; MMMT, malignant mixed Müllerian tumor.