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TABLE 2
Symptoms at time of registration from the patient information form for 21 children with congenital myotonic dystrophy
| Symptom | n |
|---|---|
| Weakness of face | 17 |
| Trouble speaking clearly | 13 |
| Difficulty walking on toes or heels or ankle weakness | 12 |
| Difficulty getting up from the floor, rising from a chair or climbing stairs | 11 |
| Trouble with swallowing | 10 |
| Difficulty making a tight fist, loss of grip strength or difficulty opening jars | 7 |
| Trouble with hands/grip locking up or hand stiffness | 6 |
| Racing heart beat, irregular heart beat, palpitations or pacemaker | 3 |
| Trouble with breathing or shortness of breath | 2 |
| Baldness | 1 |
| Cataracts | 0 |
Mean age of entry into the United States Registry was 9.4 years (range three to 24 years)