Ann Clin Microbiol 2024;27:19-30. Prevalence of Helicobacter pylori infection and clarithromycin resistance rate from 2015 to 2018 in Korea: a repeated cross-sectional study
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Table 1. Prevalence of Helicobacter pylori infection across sex and age groups between 2015 and 2018
CharacteristicsH. pylori-positive samples
(n = 12,000)		H. pylori-negative samples
(n = 11,773)		TotalP-value
Sex   < 0.001
Male6,811 (53.5)5,929 (46.5)12,740 
Female5,189 (47.0)5,844 (53.0)11,033 
Age, years   < 0.001
< 30306 (37.4)513 (62.6)819 
30–391,139 (48.4)1,215 (51.6)2,354 
40–493,349 (55.8)2,655 (44.2)6,004 
50–593,730 (52.2)3,409 (47.8)7,139 
60–692,376 (47.4)2,633 (52.6)5,009 
≥ 701,100 (44.9)1,348 (55.1)2,448 

Values are presented as n (%) or n.