Table 3.

Multiple logistic regression analysis of factors associated with BRCA1 positivity

OR (95% CI)
Initial model
    CK14+3.45 (0.83-14.22)
    CK5/6+27.33 (4.36-171.5)
    CK17+0.62 (0.13-3.06)
    Osteo+1.03 (0.26-4.02)
    EGFR+2.13 (0.61-7.37)
    ER3.39 (0.89-12.9)
    Grade
    11
    20.65 (0.18-2.28)
    30.97 (0.21-4.45)
Final model
    CK14+3.22 (1.2-8.66)
    CK5/6+6.41 (2.11-19.43)
    ER12.34 (4.08-37.31)
Final model (ER-negative tumors)
    CK14+3.57 (1.09-11.75)
    CK5/6+7.83 (2.23-27.37)
  • Abbreviations: CK, cytokeratin; Osteo, osteonectin.