Table 2. Baseline 12, 24, 36 months TRF according to mutations amenable to skip exons 44, 45, 51 and 53.

	Age	TRF (mean)				Unable to perform TRF (n)
	Subgroups by skipping	Baseline	12 months	24 months	36 months	12 months	24 months	36 months
Study cohort (n:92)	44 (n:22)	4,49	5,73	6,02	8,68	1	2	3
	45 (n:25)	5,72	5,60	5,99	5,78	2	4	6
	51 (n:17)	7,36	5,46	7,41	5,32	3	5	7
	53 (n:28)	6,21	9,62	11,25	9,90	3	8	13