Table 2.

Multivariate analysis as determined by Cox regression analysis

Variable95% Confidence intervalRelative riskP
Tumor size
    >2 cm1.477-2.822.041<0.0001
Age at diagnosis
    <50 y1.02-2.0111.4320.0381
Nuclear grade
    High (3/3)0.364-1.3301.0980.2722
Estrogen receptor status
    Negative (0/3)0.962-1.8191.3230.0855
Progesterone receptor status
    Negative (0/3)0.885-1.6071.1920.2475
HER2/neu status
    Positive (2-3/3)0.96-1.9531.370.0828
TRAIL-R2 expression
    High1.126-2.3541.6280.0096
Nodal status
    Positive1.3-2.41.760.0003