Journal of Cancer Epidemiology / 2012 / Article / Tab 2

Research Article

Do Breast Cancer Patients Tested in the Oncology Care Setting Share BRCA Mutation Results with Family Members and Health Care Providers?

Table 2

Frequency of sharing test results with first-degree relatives by mutation status.

RelationshipShared results 𝑛 (%)
Positive
( 𝑛 = 3 ) 𝑛 or % (range)
True negative
( 𝑛 = 3 1 ) 𝑛 or % (range)
Uninformative
( 𝑛 = 1 1 ) 𝑛 or % (range)

ParentMother ( 𝑛 = 1 6 ) 𝑛 = 1 𝑛 = 1 0 𝑛 = 5
  𝑛 (%)1 (100.0)9 (90.0)4 (80.0)
Father ( 𝑛 = 1 9 ) 𝑛 = 1 𝑛 = 1 2 𝑛 = 6
  𝑛 (%)1 (100.0)10 (83.3)4 (66.7)

SiblingSister ( 𝑛 = 2 3 ) 𝑛 = 2 𝑛 = 1 4 𝑛 = 7
 Avg. number per participant1.5 (1.0–2.0)1.6 (1.0–4.0)2.1 (1.0–4.0)
 Avg. % disclosed100.0 (100.0-100.0)92.9 (0.0–100.0)91.7 (66.7–100.0)
Brother ( 𝑛 = 2 2 ) 𝑛 = 2 𝑛 = 1 6 𝑛 = 4
 Avg. number per participant2.0 (1.0–3.0)1.6 (1.0–4.0)2.0 (1.0–4.0)
 Avg. % disclosed50.0 (0.0–100.0)89.1 (0.0–100.0)56.3 (0.0–100.0)

ChildDaughter
 <18 years ( 𝑛 = 4 ) 𝑛 = 0 𝑛 = 3 𝑛 = 1
  Avg. number per participantβ€”1.3 (1.0–2.0)2.0 (β€” )
  Avg. % disclosedβ€”66.7 (0.0–100.0)50.0 (β€” )
 18+ years ( 𝑛 = 1 9 ) 𝑛 = 2 𝑛 = 1 2 𝑛 = 5
  Avg. number per participant1.5 (1.0–2.0)1.3 (1.0–2.0)1.4 (1.0–2.0)
  Avg. % disclosed50.0 (0.0–100.0)100.0 (100.0-100.0)100.0 (100.0-100.0)
Son
 <18 years ( 𝑛 = 7 ) 𝑛 = 0 𝑛 = 5 𝑛 = 2
  Avg. number per participantβ€”1.0 (1.0-1.0)2.0 (2.0-2.0)
  Avg. % disclosedβ€”100.0 (100.0-100.0)0.0 (0.0-0.0)
 18+ years ( 𝑛 = 1 5 ) 𝑛 = 0 𝑛 = 9 𝑛 = 6
  Avg. number per participantβ€”1.4 (1.0–3.0)1.7 (1.0–3.0)
  Avg. % disclosedβ€”83.3 (0.0–100.0)100.0 (100.0-100.0)

βˆ— E xcluded those who did not share their results.
βˆ— A nalyses are based on living relatives and include participants who reported at least one living relative in each relationship category.

Article of the Year Award: Outstanding research contributions of 2020, as selected by our Chief Editors. Read the winning articles.