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Table 4 Multivariate Cox regression analysis of overall survival

From: Efficacy of adjuvant chemotherapy according to hormone receptor status in young patients with breast cancer: a pooled analysis

Characteristic

Relative risk

95% confidence interval

P value

ER-negative

1.65

1.09–2.50

0.02

Node-positive

1.70

0.79–3.66

0.17

Tumor size >2 cm

1.66

1.09–2.52

0.02

Adjuvant chemotherapy

1.02

0.48–2.17

0.96

  1. ER status remains an independent prognostic factor of overall survival. ER, estrogen receptor.