Table 2. Clinical characteristics of probands with de novo or maternal mutations.
| de novo | Maternal | |
|---|---|---|
| n = 17 | n = 12 | |
| Male n (%) | 9 (52.9) | 3 (27.2) |
| Mean age of Onset | 8.4±3.6 | 11.0±6.4 |
| CPA n (%) | 9 (52.9) | 4 (33.3) |
| Syncope n (%) | 8 (47.1) | 7 (66.7) |
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