A conceptual disease model for quality of life in mitochondrial disease

Table 1 General patient characteristics (N = 95), phenotype, disease manifestation (NMDAS)

	% (N/total)	Mean	SD	Median	Range
Age (years)		43	12.3	41	19–70
Gender male	33.6 (32/95)
Heigth (cm)		1.70	0.1	1.68	1.45–1.89
Phenotype
MELAS	11.6 (11/95)
MIDD	43.2 (41/95)
MERRF	10.5 (10/95)
Others	34.7 (33/95)
NMDAS
I current functioning		10	7	7.5	0–33
II system specific involvement		7	4	7	0–26
III current clinical assessment		5	4	4	0–16
Total score		21.66	12.1	19	3–69

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