Table 2 Characteristics of Japanese registrees

From: Genetic and clinical characteristics in Japanese hereditary breast and ovarian cancer: first report after establishment of HBOC registration system in Japan

  

Male

Female

Average age at BRCA1/2 genetic test (youngest–oldest)

Pedigree

830

   

Registreesa

3867

1176

2691

 

 Subjectsb

944

22

922

46.9 (20–85)

 Othersc

2923

1154

1769

 

Clients who received BRCA1/2 genetic testing

963

23

940

47.0 (20–85)

BRCA1 mutation positive

127

5

122

45.0 (23–79)

BRCA2 mutation positive

115

4

111

45.4 (23–74)

  1. aRegistrees consisted of subjects and the others
  2. bClients who provided informed consent at the time of registration in any of the four participating medical institutes
  3. cRegistrees within the second relatives of the subjects or uncles, who suffered from any cancers and registered by interview-based information
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