Table 2.

β-hCG Expression in Different Histologic Types of Ovarian Epithelial Malignancies

Tissue or tumor type	n	Positive (%)	P value⁎
High-grade serous carcinoma	414	37
Endometrioid carcinoma	48	35
Mucinous carcinoma	7	29
Clear cell carcinoma	13	46
Malignant mixed mesodermal tumors	13	31
Undifferentiated carcinoma	10	50
Transitional cell carcinoma	12	17
Low grade serous carcinoma	22	32	0.8
Total	539

^⁎Fisher's exact test.