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. 2013 Sep 22;12:106. doi: 10.1186/1476-4598-12-106

Table 6.

Multivariate Cox proportional hazard regression of survival for the patients from the USA1 cohort

Covariate Hazard ratio 95% Confidence interval P-value
IC30 + vs. -
2.21
(1.32, 3.70)
0.002
Age (per year)
1.00
(0.98, 1.02)
0.940
Lymph node + vs. -
2.07
(1.35, 3.16)
< 0.001
Tumor size ≥ T3 vs. < T3
1.73
(1.16, 2.57)
0.007
Grade 3 vs. 1,2
0.67
(0.41, 1.11)
0.119
ER + vs. -
0.58
(0.33, 1.01)
0.055
PR + vs. - 0.76 (0.45, 1.31) 0.330