Table 2 Multivariable hazard ratios (HR) and 95% confidence interval (95%CI) of overall and breast cancer-specific mortality according to the adherence to the Mediterranean diet measured by the arMED score

Overall mortality

 All BC survivors^b

1.13 (1.01–1.26)

1.00 reference

0.94 (0.84–1.05)

0.92 (0.87–0.97)

  N (deaths)

3427 (736)

5162 (871)

4681 (733)

13,270 (2340)

 Premenopausal BC survivors^c,d

1.21 (0.94–1.56)

1.00 reference

1.11 (0.89–1.38)

0.94 (0.84–1.06)

  N (deaths)

613 (131)

1152 (183)

1305 (213)

3070 (527)

 Postmenopausal BC survivors^c,e

1.10 (0.98–1.24)

1.00 reference

0.89 (0.78–1.01)

0.92 (0.86–0.98)

  N (deaths)

2814 (605)

4010 (688)

3376 (520)

10,200 (1813)

 P value heterogeneity^*

0.437

BC-specific mortality

 All BC survivors^b

1.12 (0.98–1.29)

1.00 reference

0.99 (0.86–1.13)

0.97 (0.90–1.04)

  N (deaths)

3427 (441)

5162 (541)

4681 (493)

13,270 (1475)

 Premenopausal BC survivors^c,d

1.23 (0.92–1.63)

1.00 reference

1.16 (0.91–1.48)

0.97 (0.85–1.11)

  N (deaths)

613 (103)

1152 (145)

1305 (180)

3070 (428)

 Postmenopausal BC survivors^e

1.10 (0.94–1.28)

1.00 reference

0.93 (0.78–1.09)

0.97 (0.89–1.05)

  N (deaths)

2814 (338)

4010 (396)

3376 (313)

10,200 (1047)

 P value heterogeneity^*

0.992