Table 3 Ethnic variation in prevalence of rheumatoid arthritis: studies using radiography for primary screening
From: Risk for rheumatic disease in relation to ethnicity and admixture
| Â | Â | Â | Â | Prevalence/1000 | |
|---|---|---|---|---|---|
Ethnicity | Location | Age range (years) | Criteria | Males | Females |
Chippewa Native American | Minnesota, USA [34] | >18 | ACR | 48 | 59 |
Pima Native American | Arizona, USA [32] | >30 | ARA* | 50 | 60 |
Pima Native American | Arizona, USA [63] | >20 | ARA | 32 | 70 |
Afro-American | NHES, USA [37] | 18–79 | ARA* | 7 | 16 |
European-American | NHES, USA [37] | 18–79 | ARA* | 7 | 16 |
European-American | Sudbury, USA [64] | 15–75 | ARA* | 5 | 15 |