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
Table 5. Clarithromycin resistance rate of Helicobacter pylori according to the 23S rRNA genotype and frequency for each regional area between 2015 and 2018
Regional areasNWild-typeMutation type
A2142G onlyA2143G onlyA2142G + A2143GTotal
Gyeonggi2,2801,610 (70.6)42 (1.8)604 (26.5)24 (1.1)670 (29.4)
Seoul5,6233,991 (71.0)91 (1.6)1,504 (26.7)37 (0.7)1,632 (29.0)
Kangwon290234 (80.7)8 (2.8)48 (16.6)0 (0.0)56 (19.3)
Chungcheong1,025732 (71.4)13 (1.3)273 (26.6)7 (0.7)293 (28.6)
Cholla975685 (70.3)19 (1.9)266 (27.3)5 (0.5)290 (29.7)
Kyungsang1,8071,312 (72.6)27 (1.5)454 (25.1)14 (0.8)495 (27.4)
Total12,0008,564 (71.4)200 (1.7)3,149 (26.2)87 (0.7)3,436 (28.6)

Values are presented as n (%) or n. Abbreviation: N, number.