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 2. Clarithromycin resistance rate of Helicobacter pylori according to sex and age between 2015 and 2018
Age, years N Males Females P-value
R S N R S N
< 30 306 44 (25.4) 129 (74.6) 173 29 (21.8) 104 (78.2) 133 0.460
30–39 1,139 170 (24.6) 521 (75.4) 691 152 (33.9) 296 (66.1) 448 < 0.001
40–49 3,349 419 (20.7) 1,601 (79.3) 2,020 436 (32.8) 893 (67.2) 1,329 < 0.001
50–59 3,730 458 (22.1) 1,610 (77.9) 2,068 582 (35.0) 1,080 (65.0) 1,662 < 0.001
60–69 2,376 383 (29.3) 923 (70.7) 1,306 426 (39.8) 644 (60.2) 1,070 < 0.001
≥ 70 1,100 150 (27.1) 403 (72.9) 553 187 (34.2) 360 (65.8) 547 < 0.001
Total 12,000 1,624 (23.8) 5,187 (76.2) 6,811 1,812 (34.9) 3,377 (65.1) 5,189 < 0.001

Values are presented as n (%) or n. Abbreviations: N, number; R, resistant; S, susceptible.