Table 4 Multiple variable cox proportional hazard models

Caucasian vs. AA

1.24

0.32 to 5.08

0.74

pCR: yes vs. no

0.16

0.06 to 0.41

0.0002

Clinical Stage: I/II vs. III/IV

0.10

0.01 to 0.13

<0.0001

Premenopausal vs. Postmenopausal

1.30

0.44 to 3.93

0.24

XRT vs. No XRT

0.47

0.17 to 1.42

0.19

Chemo v. No Chemo

0.81

0.20 to 3.36

0.78