30
Participants
Start Date
January 1, 2023
Primary Completion Date
July 1, 2024
Study Completion Date
July 1, 2024
Vitamin D
Take 400 units of vitamin D3, twice daily, for a duration of 3 months.
Placebo
Take a placebo that is identical in appearance and weight to 400 units of vitamin D3, twice daily, for a duration of 3 months.
Suzhou Hospital of Anhui Medical University, Suzhou
Suzhou Municipal Hospital of Anhui Province
OTHER