From: Allelic diversity and phylogeny of homB, a novel co-virulence marker of Helicobacter pylori
Origin | No. of strains | Gender, % male | Median age ± SD (years) |
---|---|---|---|
Western countries | |||
Portugal | 115 | 47.3 | 51.8 ± 15.4 |
France | 35 | 82.9 | 47.7 ± 14.1 |
Sweden | 27 | 58.8 | 66.6 ± 11.2 |
Germany | 20 | 50.0 | 58.6 ± 11.9 |
USA | 29 | 67.9 | 48.7 ± 12.0 |
Brazil | 56 | 52.4 | 52.8 ± 16.4 |
Colombia | 19 | 57.9 | 50.0 ± 12.7 |
East Asian countries | |||
Japan | 72 | 57.9 | 44.3 ± 12.7 |
South Korea | 71 | 76.1 | 44.7 ± 9.9 |
African country | |||
Burkina Faso | 11 | N.A. | N.A. |