Table 2.

Seroprevalance of H pylori-specific antibodies in children and adults according to their age

Group	Age subgroup (yr)	Anti-H pylori seropositivity	Anti-CagA seropositivity	Mean titer of anti-CagA (Uarb/mL)
Children	1-5	47/125 (37.6%)	28/47 (59.57%)	75.94 ± 93.23
	6-10	60/128 (46.9%)	45/60 (75%)	63.32 ± 59.63
	11-15	73/133 (54.9%)	58/73 (79.45%)	57.11 ± 52.56
Adults	20-30	36/61 (59.01%)	30/36 (83.33%)	52.06 ± 40.43
	31-40	38/57 (66.6%)	23/38 (60.52%)	23.62 ± 23.02
	41-50	36/49 (73.46%)	23/36 (63.88%)	21.52 ± 24.43
	51-60	25/33 (75.75%)	15/25 (60%)	21.80 ± 27.26
Total	1-60	315/586 (53.75%)	222/315 (70.47%)	50.40 ± 53.22