Table 2.

Incidence of mutations in BRCA1/2 genes in different histologic types of 141 ovarian cancer patients.

Histologic type	Proportion	BRCA1/2-mutation incidence	P value (high-grade serous carcinoma vs. other types)
High-grade serous carcinoma	79.43% (112/141)	24.1% (27/112)	0.005
Clear cell carcinoma	4.96% (7/141)	0
Endometrioid carcinoma	4.96% (7/141)	0
Mucinous tumor	2.84% (4/141)	0
Mixed adenocarcinoma	1.42% (2/141)	0
Other histological types	6.39% (9/141)	0