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. Author manuscript; available in PMC: 2009 Dec 1.
Published in final edited form as: Breast Cancer Res Treat. 2009 Mar 19;118(3):575–581. doi: 10.1007/s10549-009-0368-3

Table 4.

Odds-ratios (ORs) and Familial Correlation Coefficients (CCs) for Occurrence of Breast Cancer Metastasis

Number of Patients OR a CI b
No Metastasis Metastasis
Age at dx (yrs)
 <40 116 62 1.0 -
 40–50 240 126 1.0 0.7, 1.5
 60+ 132 67 1.1 0.6, 1.7
Year of dx
 <1990 123 112 1.0 -
 1990+ 365 143 0.6 0.5, 0.9
Education
 No college 163 96 1.0 -
 Some college 325 159 0.78 0.6, 1.2
Lymph Nodes
 Negative 167 27 1.0 -
 Positive 67 29 2.7 1.5, 4.9
 Unknown 254 199 4.0 2.5, 6.4
Number of Pairs
Concordant Discordant CC c CI
Type of Relationship
 Mother-daughter 118 80 0.03 −0.11, 0.16
 Sister-sister 115 107 −0.07 −0.14, 0.06
 Other blood 380 333 −0.00 −0.07, 0.07
a

all odds-ratios are adjusted for other variables

b

CI = 95% confidence interval

c

All correlation coefficients are adjusted for age at diagnosis, year of diagnosis, and lymph node status (positive, negative, unknown)