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