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 3. Clarithromycin resistance rate of Helicobacter pylori according to the geographic region between 2015 and 2018
Year Gyeonggi Seoul Kangwon Chungcheong Cholla Kyungsang Total
R S R S R S R S R S R S R S
2015* 20.8 79.2 27.5 72.5 26.9 73.1 31.3 68.7 34.7 65.3 19.9 80.1 24.3 75.7
2016* 23.9 76.1 27.9 72.1 22.6 77.4 31.5 68.5 37.0 63.0 30.1 69.9 28.5 71.5
2017* 31.1 68.9 29.9 70.1 17.4 82.6 26.5 73.5 32.9 67.1 34.9 65.1 30.3 69.7
2018 31.6 68.4 28.9 71.1 17.6 82.4 24.9 75.1 27.4 72.6 20.9 79.1 28.3 71.7
Total 29.4 70.6 29.0 71.0 19.3 80.7 28.6 71.4 29.7 70.3 27.4 72.6 28.6 71.4

Values are presented as percentage (%). *Ptrend = 0.005. Abbreviations: R, resistant; S, susceptible.