Table 2.

Patients used for the study of muscle small vessels.

Patient	Age at biopsy	Clinical diagnosis	Muscle biopsy	m.A3243A>G (%)	Number of vessels
1	45	exercise intolerance, myopathy	RRF, COX+	56	1
2	19	MELAS	RRF, COX+	67	1
3	4	MELAS	RRF, COX+	46	1
4	31	fatigue	normal	absent	3
5	23	fatigue	normal	absent	1
6	43	non-specific dermatitis	normal	absent	1