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CagA specific subclass positivity in 60 children positive for CagA IgG antibodies
| H. pylori IgG subclass response (no. and % positive) | |||
|---|---|---|---|
| Diagnosis | IgG1 | IgG2 | IgG3 |
| Duodenal ulcer (n = 21) | 20 (95%) | 4 (19%) | 10 (48%) |
| Non-ulcer dyspepsia (n = 39) | 35 (90%) | 3 (8%) | 14 (36%) |
| Total (60) | 55 (92%) | 7 (12%) | 24 (40%) |
