Table 1.

Clinical information of patients with dystrophinopathy.

Parameters	Number	Percentage
Ethnicity	658
East Asian	658	100
Clinical phenotype	658
DMD	464	70.52
IMD	37	5.62
BMD	157	23.86
Muscle biopsy and dystrophin staining	20
Mutation analysis	638
Deletion	468	73.35
Duplication	96	15.05
Small mutations	74	11.60

DMD: Duchenne muscular dystrophy; IMD: intermediate muscular dystrophy; BMD: Becker muscular dystrophy.