Table 3 Cox univariate and multivariate regression analysis for OS in 125 ER+ patients

Age

 41–55 vs 40 years

0.49

0.21–1.17

0.108

0.61

0.25–1.52

0.289

 56–70 vs 40 years

0.57

0.24–1.35

0.204

0.29

0.09–0.95

0.041

  > 70 vs 40 years

0.33

0.09–1.26

0.105

0.20

0.04–0.95

0.043

Menopausal status

 Post- vs premenopausal

1.14

0.61–2.11

0.686

2.90

0.99–8.49

0.052

Tumor size

 2–5 vs ≤2 cm

1.25

0.66–2.37

0.494

0.56

0.26–1.20

0.137

  > 5 vs ≤2 cm

1.66

0.39–7.11

0.492

0.75

0.15–3.72

0.720

Tumor grade

 II vs I

2.53

1.02–6.24

0.044

2.16

0.84–5.55

0.111

 III vs I

5.02

1.89–13.36

0.001

4.88

1.64–14.56

0.004

PgR status

 Positive vs negative

0.51

0.26–1.01

0.055

0.48

0.23–1.01

0.054

HER2 status

 Positive vs negative

3.15

1.11–8.96

0.031

3.80

1.18–12.20

0.025

Log of F/B ratio

0.34

0.11–1.03

0.005

0.29

0.07–1.10

0.068