Table 1.

Characteristics of patients in the validation series (n = 198), according to the clinical and 76-gene signature risk classifications

No. patientsClinical low risk
Clinical high risk
Gene signature low risk (n = 16)Gene signature high risk (n = 30)Gene signature low risk (n = 39)Gene signature high risk (n = 113)
Age (y)
    <4113929
    41-5012211255
    51-60361829
Size (cm)
    <1 (T1ab)4401
    1-2 (T1c)813929
    2-5 (T2)4133083
Tumor grade
    Good differentiation111234
    Intermediate5181644
    Poor differentiation002063
    Unknown0002
ER
    Positive16302563
    Negative001450