Table 2

 Summary of the clinical features of basal-like carcinomas and matched controls

Matching variablesBasal-like (n = 49)Control (n = 49)Significance
Age (years)Median (range)45 (25–64)48 (35–64)
Nodal statusNegative2827 (1 ND)
1–4 nodes Positive1111
>5 nodes1010
Primary treatment
    SurgeryConservative3544p<0.05
Mastectomy145
    Adjuvant chemotherapyNone20p = 0.5
Anthracycline regimen4749
    EndocrineNone196p<0.005
Tamoxifen3043
    RadiotherapyNone95p = 0.4
Yes4044