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Table 1 Comparison of the two stains used for imprint cytology in the diagnosis of H. pylori infection

From: Imprint cytology: a useful screening test for diagnosis of Helicobacter pylori in resource poor settings

  Sensitivity (%) Specificity (%) Positive predictive value (%) Negative predictive value (%) Kappa coefficient
Toluidine blue stain 57.1 97.9 80.0 94.0 0.627
Giemsa stain 42.9 97.9 75.0 92.2 0.499