Table 2. Clinical characteristics of the patients in TCGA data sets.

Characteristics	Number(%)
Age
<=60	586(55·5)
>60	470(44·5)
HER2
Positive	108(14·7)
Negative	625(85·3)
ER
Positive	777(77·0)
Negative	232(23·0)
PR
Positive	676(67·2)
Negative	330(32·8)
Stage
I~II	773(74·7)
III~IV	262(25·3)
TP53 status
Wildtype	513(67.0)
mutant	253(33.0)
Radiation
Yes	540(55.6)
No	432(44.4)
Targeted molecular therapy
Yes	516(91.7)
No	47(8.3)
Survival status
Survival	907(85·9)
Dead	149(14·1)
Relapse status
Relapse-free	793(89·6)
Relapse	92(10·4)