Cox multivariate analysis of disease-free survival in ER-positive breast cancer
NOTE: Multivariate analysis was done using stepwise Cox proportional hazards regression with forward selection. Candidate exploratory variables included age, tumor size, tumor grade, lymph nodes, ER, PR, HER2, P-MAPK, P-AKT, P-p90RSK, P-S118, and P-S167.
Abbreviations: HR, hazard ratio; 95% CI, 95% confidence interval.
Two-sided Wald test was used.
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