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Diagnostic accuracy of immunohistochemistry with anti-EAS Ab
| Immunohistochemistry result with anti-EAS Aba | No. of specimens with cagA genotype |
|
|---|---|---|
| East Asian | Western | |
| Positive | 87 | 1 |
| Negative | 3 | 47 |
| Total | 90 | 48 |
Sensitivity, 96.7% (87/90); specificity, 97.9% (47/48); accuracy, 97.1% [(87 + 47)/(90 + 48)].
