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Population characteristics PRS (n = 24)a, 1991–2006
| Characteristics | Frequency (total n = 24) |
|---|---|
| Age (mean ± SD) | 10.5 ± 2.6 |
| Male | |
| n | 6 (25%) |
| Age (mean ± SD) | 9.0 ± 3.3 |
| Female | |
| n | 18 (75%) |
| Age (mean ± SD) | 10.9 ± 2.2 |
| Ethnicity | |
| Not reported | 15 (63%) |
| Asian | 5 (21%) |
| White | 4 (17%) |
aTwenty-three patients from the literature search + 1 patient from the Dutch article [25]
