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Table 4 Multivariate analysis (RFS)

From: High EGFR protein expression and exon 9 PIK3CA mutations are independent prognostic factors in triple negative breast cancers

  HR 95 % CI p
T    0.008
 T1 1   
 T2+ 2.48 [1.21; 5.07]  
N    <0.001
 N- 1   
 N+ 4.17 [2.23; 7.78]  
Adjuvant CT    0.003
 No 1   
 Yes 0.39 [0.22; 0.70]  
PIK3CA Exon 9 Mutation    0.001
 No 1   
 Yes 6.38 [2.42; 16.8]  
EGFR protein level    0.011
 Lower and middle tercile 1   
 Upper tercile 2.22 [1.22; 4.03]