Table 1.

Prevalence of germline BRCA1/2 mutations in apparently sporadic pancreatic cancer.

Authors/year	Total no. of PDAC patients	BRCA1/2 mutations no. patients (%)	Reference
Holter et al., 2015	306	BRCA1: 3 (0.98%) BRCA2: 11 (3.59%)	[11]
Shindo et al., 2017	854	BRCA1: 3 (0.35%) BRCA2: 12 (1.4%)	[55]
Grant et al., 2015	290	BRCA1: 1 (0.34%) BRCA2: 2 (0.68%)	[63]
Hu et al., 2018	2999	BRCA1: 18 (0.6%) BRCA2: 57 (1.9%)	[64]
Brand et al., 2018	298	BRCA1: 4 (1.34%) BRCA2: 4 (1.34%)	[65]
Yurgelun et al., 2019	289	BRCA1: 3 (1.03%) BRCA2: 4 (1.38%)	[66]

PDAC pancreatic ductal adenocarcinoma.