Age (yr) | (<1) | (1 - 10) | (11 - 20) | (21 - 30) | (31 - 40) | (41 - 50) | (51 - 60) | (61 - 70) | (71 - 80) | (81 - 100) | |
TSH (mIU/L) | Mean | 2.58 | 2.30 | 2.11 | 2.34 | 2.50 | 2.29 | 2.35 | 2.31 | 2.12 | 2.55 |
SD | 0.91 | 0.89 | 1.00 | 0.94 | 0.92 | 0.95 | 1.07 | 1.21 | 0.88 | 1.32 | |
FT4 (pmol/L) | Mean | 19.87 | 16.73 | 13.99 | 13.49 | 13.76 | 13.98 | 14.50 | 14.58 | 16.75 | 17.90 |
SD | 5.63 | 2.82 | 2.74 | 2.13 | 2.49 | 2.42 | 2.65 | 2.49 | 3.84 | 4.15 | |
FT3 (pmol/L) | Mean | 5.59 | 5.65* | 5.62 | 5.46 | 5.32 | 5.33 | 5.40 | 5.04 | 5.19 | 5.64 |
SD | 1.13 | 0.95 | 0.80 | 0.81 | 0.80 | 0.76 | 0.81 | 0.68 | 0.83 | 0.94 | |
N | 11 | 39 | 162 | 511 | 408 | 332 | 175 | 72 | 31 | 7 |