Table 2. Summary of clinical and pathological findings of BMD patients without RVs (DMD deletion exons 45–47 and 45–48).

Patient No.	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
DMD Deletion	exons 45–47									exons 45–48
Clinical findings
age at onset(years)	22	30	45	14	4	unknown	38	14	5	4	5	13	15	16	2	45	7	33	39
symptom at onset	weakness	weakness	weakness	weakness	atrophy	unknown	weakness	high CK	pain	pain	weakness	pain	weakness	weakness	cramp	weakness	weakness	weakness	weakness
age at biopsy(years)	24	46	60	48	19	23	48	14	6	14	10	53	58	64	16	48	10	56	40
serum CK activity(IU/L)	994	1487	942	569	1193	unknown	321	2705	15540	3044	11174	549	513	245	2702	758	2945	615	600
Pathological findings
biopsied muscle	QF	deltoid	BB	BB	QF	unknown	BB	GC	BB	BB	BB	BB, QF	BB	GC	QF	BB	BB	TA	GC
fiber typepopulation
type 1 (%)	10	66	36	42	16	54	70	28	46	41	38	50	67	47	27	40	48	80	54
type 2A (%)	44	28	47	49	67	23	22	59	32	24	55	26	28	31	51	38	45	20	30
type 2B (5)	46	3	16	10	9	22	4	11	20	33	4	21	6	13	12	17	4	0	16
type 2C (%)	0	3	1	0	0	2	4	2	2	2	3	3	0	8	10	5	3	1	1
small atrophicfibers*	73	32	0	278	56	62	115	3	11	16	7	115	0	78	150	51	24	6	80
necrotic fibers*	0	0	0	0	0	8	1	3	2	3	1	0	0	2	3	0	5	0	0
regeneratingfibers*	4	22	0	0	0	0	3	13	13	1	15	2	0	0	3	2	7	3	5

QF = quadriceps femoris; BB = biceps brachii; GC = gastrocnemius; TA = tibialis anterior; *per 1,000 fibers