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Table 1 HPV detection in fresh tissue versus paraffin block

From: Comparison of human papillomavirus detection between freshly frozen tissue and paraffin embedded tissue of invasive cervical cancer

   Paraffin block Total
   Positive Negative   
   N %a N %a N %a
Fresh tissue Positive 141 82.5b 13 7.6 154 90.1
  Negative 11 6.4 6 3.5b 17 9.9
  Total 152 88.9 19 11.1 171 100
  1. a Percentage of cell number among all the cases (171)
  2. b Concordant results
  3. Concordance analysis-Kappa Index: value of the index 0.26; p = 0.001
  4. McNemar test: p > 0.05