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Demographics of the study participants included in the calculation of experimental ULN values and the diagnostic sensitivity of each antigen
| Demographic characteristic | Value for children: |
|
|---|---|---|
| With ARF (n = 97) | Healthy (n = 75) | |
| Age (yr) | ||
| Median | 11 | 11.7 |
| Range | 4−20 | 6−18 |
| Male sex, n (%) | 67 (69) | 46 (61) |
| Ethnicity, n (%) | ||
| Māori | 42 (43) | 30 (40) |
| Pacific | 54 (56) | 43 (57) |
| Other | 1 (1) | 2 (1) |
