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DUOX2 immunohistochemical staining
| Intensity | Hp−a (n = 51) | CagA−/VacA−b (n = 15) | CagA+ or VacA+ (n = 33) |
|---|---|---|---|
| + | 9 | 2 | 15 |
| ++ | 27 | 4 | 16 |
| +++ | 15 | 9 | 2 |
a P < 0.01 compared between Hp− group and patients with at least one virulence factor, CagA+ or VacA+
b P < 0.05 compared between patients without virulence factors (CagA−/VacA−) and with at least one virulence factor, CagA+ or VacA+
