| Mean | SD | 10th percentile | 90th percentile |
---|---|---|---|---|
Thyroid hormonesa | ||||
 FT3, pmol/L | 2.63 | 0.47 | 2.15 | 3.22 |
 FT4, pmol/L | 15.66 | 2.08 | 13.26 | 18.53 |
 TSH, mU/L | 11.65 | 7.60 | 5.16 | 20.59 |
mtDNA methylationb | ||||
  MT-RNR1, % | 9.51 | 4.19 | 4.46 | 14.67 |
  D-loop, % | 3.61 | 1.31 | 1.94 | 5.24 |
mtDNA content (unitless)b,c | 1.11 | 0.96 | 0.49 | 2.49 |