Table 3 Univariate and multivariate Cox regression analyses of clinicopathological factors for OS among these breast cancer patients

Age

1.389 (0.576–3.345)

0.464

NA

T grade

NA

 1

0.698

 2

1.499 (0.580–3.879)

0.403

 3

1.216 (0.142–10.409)

0.859

 0

0.001

0.003

 1

2.473 (1.029–5.942)

0.043

2.310 (0.957–5.574)

0.062

 2

3.130 (1.062–9.225)

0.039

3.040 (1.030–8.977)

0.044

 3

6.175 (2.562–14.883)

< 0.001

5.319 (2.168–13.049)

< 0.001

Histological grade

NA

 1

0.251

 2

1.775 (0.236–13.358)

0.577

 3

2.992 (0.389–23.019)

0.293

Menopausal status

1.507 (0.758–3.000)

0.242

NA

G2E3 expression

2.223 (1.143–4.325)

0.019

1.780 (0.902–3.512)

0.096