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Seroprevalance of H pylori-specific antibodies in children and adults
| Group | Sex | Anti-H pylori seropositivity | Anti-CagA seropositivity | Mean titer of anti-CagA (Uarb/mL) |
| Children | Male | 97/187 (51.9%) | 76/97 (78.4%) | 69.24 ± 70.83 |
| Female | 83/199 (41.7%) | 55/83 (66.3%) | 58.08 ± 63.58 | |
| Total | 180/386 (46.6%) | 131/180 (72.8%) | 64.1 ± 67.63 | |
| Adults | Male | 82/114 (71.9%) | 62/82 (75.6%) | 31.6 ± 31.6 |
| Female | 53/86 (61.6%) | 29/53 (54.71%) | 29.2 ± 34.1 | |
| Total | 135/200(67.5%) | 91/135 (67.4%) | 30.7 ± 32.5 |
