Table 5.

Exon Deletion for Patients With Duchenne Muscular Dystrophy and Becker Muscular Dystrophy.

	5′ Hot Spot (Exons 3-19)	3′ Hot Spot (Exons 42-60)	Spanning From 5′ to 3′ Hot Spots	Other
Duchenne muscular dystrophy	Del 2-17 (2)	Del 43	Del 3-43	Del 63-79
	Del 3a	Del 44	Del 12-43a
	Del 5-7	Del 45 (2)
	Del 7	Del 45-50 (2)
	Del 8-9	Del 46-47
	Del 10-19b	Del 46-48 (2)
		Del 46-49
		Del 46-51
		Del 48-50 (3)
		Del 49-52
		Del 50
		Del 53
		Del 55-60
		Del 56-57a,b
	(n = 7)	(n = 19)	(n = 2)	(n = 1)
Becker muscular dystrophy	Del 3a	Del 45-53a
	Del 3-5 (3)a	Del 49-52
	Del 3-6	Del 52-53a
	(n = 5)	(n = 3)

Abbreviations: n, number of patient for each subgroup; ( ), number of patients with the same deletion.

^aIn-frame mutation by prediction.

^bMutations that have not been reported in the literature.