Table 3.

Main characteristics of all studies included in the meta-analysis for BRCA1.

References	Year	Origin	Case-controls	Method of BRCA1 testing
Haffty et al. [3]	2006	USA	34/65	Not mentioned
Pristauz et al. [8]	2010	Austria	44/91	MLPA
Atchley et al. [18]	2008	USA	93/384	Not mentioned
Musolino et al. [19]	2007	Italy	20/26	DHPLC
Li et al. [20]	2008	China	17/61	SSCP, DHPLC
Byrski et al. [21]	2008	Poland	28/37	Multiplex allele-specific PCR
Bayraktar et al. [39]	2013	USA	44/108	Not mentioned
Chen et al. [40]	2009	China	25/107	DHPLC, germline DNA
Comen et al. [41]	2011	USA	64/387	pyrosequencing
Kwong et al. [42]	2009	China	59/146	MLPA
Lee et al. [43]	2011	Norway	156/1011	PCR
Noh et al. [44]	2013	Korea	52/178	PCR, Sequencher software
Ou et al. [45]	2013	China	24/55	PCR-DHPLC
Phuah et al. [46]	2012	Japan	110/321	MLPA
Xu et al. [47]	2012	China	76/276	HRM-PCR
Yip et al. [48]	2009	Malaysia	23/58	MLPA
Zhang et al. [49]	2012	China	96/271	PCR, BigDye
Rakha et al. [50]	2009	UK	27/216	Not mentioned