Table 1 Clinical information and FMR1 genotypes of 540 children with unknown IDD
From: Fragile X syndrome screening in Chinese children with unknown intellectual developmental disorder
IDD children | Category | N (male/female) | FXS yield |
|---|---|---|---|
| Â | Â | 540 (453/87) | Â |
| Â | Isolated IDD (without neuro-developmental comorbid) | 384 (307/77) | 1 |
| Â | Non-isolated IDD * | 156(146/10) | 4 |
FMR1 genotyping | Category | N (male/female) | CGG size |
| Â | Samples with normal repeat | 534(447/87) | 13-45 |
| Â | Samples with full mutation | 5 (5/0) | >200 |
| Â | Samples with intermediate status | 1 (1/0) | 53 |