Table 1.

Clinical and Genetic Data of Included Participants

Participant No.	Sex (M/F)	Disease (CONT/DM1)	MIRS	Repeat Length at Diagnosis (No. of Triplets)	Age at Biopsy (years)
C1	M	CONT	NA	NA	45
C2	F	CONT	NA	NA	22
P1	M	DM1	5	120 < N < 1000	46
P2	F	DM1	4	>200	50
P3	F	DM1	4	>200	39
P4	M	DM1	3	50–150	71
P5	F	DM1	3	>150	51
P6	F	DM1	2	52	29

CONT, unaffected control; DM1, DM1 patient; M, male; F, female; NA, not applicable.