1,000
Participants
Start Date
February 17, 2023
Primary Completion Date
June 1, 2025
Study Completion Date
December 30, 2025
Naturally different iodine levels exposure
A cross-sectional survey of thyroid disease in elderly people in areas with different iodine nutrition backgrounds
RECRUITING
Shandong provincial institute for endemic disease control, Jinan
ACTIVE_NOT_RECRUITING
Tianjin Medical University, Tianjin
RECRUITING
Gansu provincial center for disease control and prevention, Lanzhou
Tianjin Medical University General Hospital
OTHER
Shandong Provincial Institute for Endemic Disease Control
UNKNOWN
Tianjin Medical University
OTHER