Parameters | Ferritin < reference range | Ferritin within the reference range | Ferritin > reference range | p |
n | 582 | 13962 | 2232 |
|
Age | 45.5 ± 13.4 | 47.4 ± 15.8 | 54.3 ± 13.9 | <0.0001 |
Free triiodothyronine (FT3) 2.3 - 4.1 pg/mL | 3.1 ± 0.6 | 3.1 ± 0.6 | 3.1 ± 0.6 | 0.4652 |
Free thyroxine (FT4) 0.9 - 1.7 ng/dL | 1.2 ± 0.3 | 1.2 ± 0.22 | 1.2 ± 0.23 | <0.0001 |
Thyroxine (T4) 0.40 - 4.50 mIU/mL | 6.9 ± 1.5 | 7.05 ± 1.4 | 7.2 ± 1.5 | <0.0001 |
Triiodothyronine (T3) 100 - 200 ng/dL | 1.1 ± 0.2 | 1.1 ± 0.2 | 1.1 ± 0.2 | 0.0320 |
Thyroid-stimulating hormone (TSH) 0.3 - 4.2 mlU/L | 2.6 ± 4.7 | 2.3 ± 2.8 | 2.4 ± 4.8 | 0.0120 |
Antithyroid peroxidase (anti-TPO) < 9.0 IU/mL | 40.3 ± 136.2 | 31.9 ± 88.9 | 36.4 ± 118.3 | 0.2794 |
Reverse T3 (RT3) 9.2 - 24.1 ng/dL | 13.18 ± 4.3 | 13.6 ± 6.7 | 14.4 ± 7.1 | <0.0001 |