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Table 1 Patient characteristics

From: Ductal carcinoma in situ and sentinel lymph node metastasis in breast cancer

   Pure DCIS IDC predominant
invasive lesion
P-value
Mean Age (Range) 51.2(29-81) 51.9(27-86) *NS
Lymphatic permeation 3(1.2%) 12(6.8%) 0.002
Breast-conserving surgery 147(57.6%) 96(54.2%) NS
ER positive 194(74.9%) 133(76.8%) NS
  negative 49(19.2%) 36(20.3%)  
  unknown 15(5.9%) 5(2.8%)  
PgR positive 162(62.8%) 114(65.5%) NS
  negative 81(31.4%) 55(31.6%)  
  unknown 15(5.8%) 5(2.8%)  
Median number of removed nodes 2 2 NS
  1. * NS; Not Specific