Summary of the clinical features of patients with myotonic dystrophy
| Patient | Age/sex |
Duration of MyD (y) |
MDR scale | Dysphagic symptoms | Other GI symptoms | CNS Symptoms |
| 1 | 23, F | 7 | 3 | + | + | AP, MRI |
| 2 | 40, F | 3 | 3 | + | + | AP, EDS, MRI |
| 3 | 23, M | 16 | 2 | − | + | AP, BIQ, EDS |
| 4 | 20, F | 5 | 2 | − | − | AP, BIQ |
| 5 | 42, M | 27 | 3 | + | + | AP, EDS, MRI |
| 6 | 33, M | 23 | 4 | − | − | AP, BIQ, EDS |
| 7 | 19, M | 12 | 2 | + | − | AP, BIQ, EDS |
| 8 | 50, M | 35 | 4 | + | + | AP, BIQ, EDS, MRI |
| 9 | 54, F | 2 | 3 | − | − | AP, BIQ, EDS |
| 10 | 46, M | 26 | 3 | + | + | AP, BIQ, EDS, MRI |
| 11 | 39, M | 14 | 3 | + | − | AP, BIQ, EDS |
| 12 | 49, M | 5 | 3 | + | − | − |
| 13 | 66, F | 23 | 4 | − | − | − |
| 14 | 42, F | 1 | 1 | − | − | − |
| 15 | 41, M | 14 | 2 | − | − | − |
| 16 | 31, F | 9 | 3 | + | + | − |
| 17 | 45, M | 30 | 3 | + | − | − |
| 18 | 35, F | 5 | 4 | − | + | − |
MDR=Muscular disability rating scale12; +=present;−=absent; AP=apathy; EDS=excessive daytime sleepness; BIQ=borderline IQ or mental retardation; MRI=abnormal findings by cranial MRI42–44; GI=gastrointestinal.