Endocrine disorder
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Healthy elderly; 2. Blood routine, urine routine, thyroid function (TSH, FT3, FT4), liver function and kidney function, thyroid morphology and size were normal; 3. No diabetes and other serious metabolic diseases.
Exclusion criteria
Exclusion criteria: 1. Subjects with a visible or palpable goiter; 2. Subjects who took thyroid-related medicine or iodine-containing supplements within the past 3 months; 3. Elderly people with certain other metabolic diseases..
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| urinary iodne;serum iodine;water iodine;thyroid stimulating hormone, TSH;free thyroxine (FT4);urine creatinine; | — |
Countries
China
Contacts
Shenzhen Chronic Disease Prevention and Treatment Center