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Composition of the selected rheumatoid arthritis case and control population samples |
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| Ancestry |
Sample origin |
Number of cases |
Number of controls |
|
|
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| Caucasian |
Greek |
37 |
31 |
| Caucasian |
Spanish |
141 |
234 |
| Caucasian |
American (Whites) |
206 |
105 |
| Amerindian |
North American (Amerinds) |
98 |
78 |
| African-American |
North American (Blacks) |
46 |
51 |
| African |
San (Bushman) |
23 |
57 |
| Asian |
Korean |
81 |
68 |
| Asian |
Chinese |
21 |
20 |
| Asian |
Javanese |
66 |
72 |
| Slavic |
Russian |
40 |
73 |
| Total |
759 |
789 |
|
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These data were extracted from the 13th International Histocompatibility Working Group rheumatoid arthritis samples and are available on the National Center for Biotechnology Information website [28]. For the sample selection procedure, please refer to the Materials and methods section of this article. | |||
Barnetche et al. Arthritis Research & Therapy 2008 10:R26 doi:10.1186/ar2379 |
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