Table 2: Variation of Helicobacter Pylori IgG seroprevalence with age group in the lowland and highland regions of western Venezuela comprising states Zulia and Mérida, respectively. Data for 1202 volunteers in all the sanitary districts (10) surveyed in this study. Average ± SE (N = 5 per region), [CI95%].

Age groupa,x
Region Gender 15-24 25-44 45-64
Lowlands Male 94.2 ± 4.32a,x
[80.6-107.6]
92.0 ± 0.5a,x
[90.6-93.5]
84.6 ± 11.85a,x
[46.85-122.9]
Female 73.2 ± 8.4b,x
[46.4-100.0]
75.0 ± 3.4b,x
[64.2-85.9]
88.4 ± 7.5a,x
[64.9-112.3]
Highlands Male 90.0 ± 8.2a,x
[69.0-111.0]
90.1 ± 4.1a,x
[79.6-100.7]
78.7 ± 7.37a,x
[59.8-97.7]
Female 76.7 ± 5.6a,x
[62.2-91.1]
74.5 ± 2.9b,x
[66.9-82.1]
78.9 ± 5.9a,x
[65.9-95.9]

aEqual letters indicate no statistical difference (p > 0.05) between male/female Hp(+) prevalence within the same age group in the same region. Hp(+): Helicobacter pylori positives; xEqual letters indicate no statistical difference (p > 0.05) between Hp(+) prevalence of the same gender and age group across regions.