Thyroid related factors in according to the third grade of TSH levels (Mean±SD)
| Variables | Total | Q∼.30a (N=143) | Q.31∼.70b (N=190) | Q.71∼c (N=143) | ||
|---|---|---|---|---|---|---|
| T3 (ng/mL) | 1.09±0.28 (143) | 1.21±0.35 (36) | 1.06±0.23 (59) | 1.04±0.26 (48) | 4.638 (0.011) | a>c, b>c |
| FT4 (ng/dL) | 1.19±0.27 (343) | 1.34±0.40 (143) | 1.16±0.17 (190) | 1.11±0.17 (143) | 21.539 (0.001) | a>c, b<c |
| TSH (μIU/mL) | 1.59±1.47 (476) | 0.41±0.24 (92) | 1.25±0.29 (137) | 3.22±1.69 (114) | 326.675 (0.001) | a<b<c |
Abbreviation: See Table 1.
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