Summary of clinical findings in patients with dup 8p23.1
| *Also has a deletion of chromosome 15 and features of Prader-Willi syndrome. | ||
| Developmental delay or history of developmental delay | 6/9 (67%) | I.1, III.2, III.3, IV.1*, VI.1, VII.1, VIII.1 |
| Short stature | 3/8 (38%) | III.2, III.3, III.4, IV.1* |
| Cardiac anomalies | 4/10 (40%) | II.1, III.2, IV.2, V.1 |
| Hypotonia | 2/7 (29%) | I.1, VI.1, VII.1, IV.1* |
| Autistic and PDD spectrum | 2/9 (22%) | III.3, VIII.1 |
| Other birth defects | 7/12 (58%) | I.1, II.1, III.2, III.3, III.4, IV.1*, VI.1, VII.1 |