Table 2: Distribution of [CTG] expansions in 65 DM1 patients.

Molecular diagnosisClinical phenotype [CTG] repeatsNumber of patients

Premutation38–500

DM1“Mild”51–1499
“Classic”E2a 150–450 42
E2b 451–200012
“Congenital”>20002
Total DM1 patients65