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Table 7 Multivariate analysis of relapse-free survival

From: Relationship between intratumoral expression of genes coding for xenobiotic-metabolizing enzymes and benefit from adjuvant tamoxifen in estrogen receptor alpha-positive postmenopausal breast carcinoma

 

Relapse-free survival

Variable

Regression coefficient

RR (95% CI)

P a

NAT1 status

-0.84

 

0.0013

   Normal expression

 

1

 

   Moderate overexpression

 

0.43 (0.26–0.72)

 

   Strong overexpression

 

0.19 (0.07–0.52)

 

Lymph node status

+0.77

 

0.016

   0

 

1

 

   1–3

 

2.17 (1.15–4.09)

 

   > 3

 

4.72 (1.33–16.7)

 
  1. CI, confidence interval; RR, relative risk. a P value, Cox's proportional hazards regression model.