Included Becker muscular dystrophy (BMD) participants
| DMD phenotype (loss of ambulation <12 years) | Intermediate phenotype (loss of ambulation 13–16 years) | BMD phenotype (loss of ambulation >16 years) | |
|---|---|---|---|
| Inframe deletion | 1 | – | 29 |
| Out of frame deletion or point mutation | – | – | 2 |
| Unknown mutation, reduced dystrophin levels | – | – | 1 |
DMD, Duchenne muscular dystrophy.