Table 4 |
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|
Distribution of Helicobacter pylori strains included in the study (n = 455), according to the geographical origin, gender and patient's age. |
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|
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 |
|
|
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|
East Asian countries |
|||
|
|
|||
|
Japan |
72 |
57.9 |
44.3 ± 12.7 |
|
South Korea |
71 |
76.1 |
44.7 ± 9.9 |
|
|
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|
African country |
|||
|
|
|||
|
Burkina Faso |
11 |
N.A. |
N.A. |
|
|
|||
|
No., number SD, standard deviation N.A. not available |
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|
Oleastro et al. BMC Microbiology 2009 9:248 doi:10.1186/1471-2180-9-248 |
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