Table 1

Mutation load of skeletal muscle, urine epithelial cells (UEC), buccal mucosa, and blood leucocytes (A), with differences (Δ) between mutation loads in tissues (B)

	n	Median %	Min %	Max %
Max, maximum; min, minimum; UEC, urine epithelial cells.
A Tissue
Muscle	43	56	0	92
UEC	55	50	0	96
Buccal mucosa	54	35	0	79
Blood	57	19	0	78

B Differences between tissues
ΔMuscle − blood	31	33	−2	72
ΔUEC − blood	50	26	−2	76
ΔBuccal mucosa − blood	48	9	−5	43
ΔMuscle − UEC	35	2	−27	51