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Table 1 Intra and inter laboratory reproducibility

From: Validation of intra- and inter-laboratory reproducibility of the Xpert HPV assay according to the international guidelines for cervical cancer screening

Intra-laboratory reproducibilitya
  Xpert HPV – AML Run 2 Total
Xpert HPV –AML Run 1 Negative Positive  
Negative 353 4 357
Positive 12 141 153
Total 365 145 510
Inter-laboratory agreementb
  Xpert HPV UZ Ghent Total
Xpert HPV –AML Run 1 Negative Positive  
Negative 356 1 357
Positive 10 143 153
Total 366 144 510
Inter-laboratory agreementc
  Xpert HPV UZ Ghent Total
Xpert HPV –AML Run 2 Negative Positive  
Negative 154 3 357
Positive 4 149 153
Total 157 153 510
  1. aThe overall HPV test agreement 96.9% (95% CI, 95.0–98.2%) KAPPA value of 0.925 (95% CI 0.888–0.961)
  2. bThe overall HPV test agreement 97.8% (95% CI, 96.2–98.9%) KAPPA value of 0.948 (95% CI 0.917–0.978)
  3. cThe overall HPV test agreement 98.6% (95% CI, 97.6–99.6%) KAPPA value of 0.967 (95% CI 0.943–0.991)