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Table 2 The relation of high CA 15-3 concentration with the clinico-pathological variables analyzed.

From: CA 15-3 is predictive of response and disease recurrence following treatment in locally advanced breast cancer

  High CA 15-3 before PC p value High CA 15-3 after PC p value
Tumour size     
   <2.5 cm 2/24(8.3%)   2/22(9.1%)  
   >2.5 cm 22/24(91.6%) 0.627 20/22(90.9%) 0.884
Tumour histology     
   Ductal 19/24(79.1%) 0.533 18/22(81.8%) 0.875
   Lobular 4/24(16.6%)   3/22(13.6%)  
   Mixed 1/24(4.1%)   1/22(4.5%)  
Tumour stage     
   II 2/24(8.3%)   1/22(4.5%)  
   III 20/24(83.3%) 0.266 20/22(90.9%) 0.256
   IV 2/24(8.3%)   1/22(4.5%)  
Her2/neu positive 5/24 (20.8%) 0.487 5/22(22.7%) 1.000
ER positive 14/24(58.3%) 1.000 12/22(54.5%) 0.796
LVI 10/24(41.6%) 0.603 11/22(50%) 0.114
  1. Fisher's exact test was used for categorical variables and Wilcoxon's test for continuous variables. A P-value of less than 0.05 was considered to be significant. LVI (lympho-vascular space invasion) and PC (primary chemotherapy).