Table 2 Hazard ratios for the association between RBG (≥120 vs. <120) and breast cancer outcomes

Overall survival

HR (95 % CI)

P value

 Crude

3.01 (1.70–5.33)

<0.001

 Adjusted for age

2.99 (1.68–5.33)

<0.001

 Adjusted for age group (≥50 vs. <50)

3.07 (1.72–5.48)

<0.001

 Adjusted for grade

3.08 (1.71–5.57)

<0.001

 Adjusted for stage

3.09 (1.73–5.53)

<0.001

 Adjusted for age, tumor grade and tumor stage

3.19 (1.74–5.86)

<0.001

 Adjusted for age, tumor grade, tumor stage, and race

3.24 (1.75–5.99)

<0.001

 Adjusted for age group (≥50 vs. <50), tumor grade, tumor stage, and race

3.40 (1.83–6.33)

<0.001

 Adjusted for BMI

3.24 (1.78–5.89)

<0.001

 Adjusted for tumor grade, tumor stage, race, and BMI

3.50 (1.87–6.54)

<0.001

 Crude

2.08 (1.04–4.16)

0.039

 Adjusted for age

2.59 (1.27–5.26)

0.009

 Adjusted for age group (≥50 vs. <50)

2.65 (1.29–5.44)

0.008

 Adjusted for grade

2.06 (1.01–4.18)

0.046

 Adjusted for stage

2.01 (1.00–4.04)

0.051

 Adjusted for grade and stage

2.00 (0.97–4.09)

0.059

 Adjusted for race

2.17 (1.08–4.38)

0.030

 Adjusted for BMI

2.37 (1.16–4.83)

0.017

 Adjusted for BMI and grade

2.32 (1.13–4.73)

0.021

 Adjusted for BMI and stage

2.32 (1.13–4.76)

0.022