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Table 1 Cross tabulation showing predicted verses final grade

From: Core biopsy as a tool in planning the management of invasive breast cancer

  Final grade
  Grade 1 2 3
Predicted grade 1 21 0 0
  2 5 35 9
  3 1 6 7
  1 or 2 7 1 1
  2 or 3 0 2 8
  Not predicted 1 1 0
  1. Kappa = 0.585