Table 1

Groups of patients analysed

Clinical syndromesClinical subgroupsNumber of patientsNumber of mutations (%)
1 EDMD 3815 (39.5)
2 Isolated heart disorders dilated cardiomyopathy301 (3.3)
conduction defects, arrhythmia251 (4)
combination16none
3 Myopathy with heart involvement12none
without heart involvement201 (5)
4 Idiopathic hyperCKaemia 23none
5 Lipodystrophy 2none