Review
Open access
Oct 2026
Threshold effect of serum 25-hydroxyvitamin D on Anemia risk in U.S. adults aged 45 years and older.
BACKGROUND While previous studies have reported conflicting linear or U-shaped associations between vitamin D and anemia, evidence regarding the specific dose-response relationship in middle-aged and older adults remains limited. This study aimed to identify the threshold effect of serum 25-hydroxyvitamin D [25(OH)D] o...
Xue-Kong Li, Rui-Xia Qi, Rui-Min Li et al.
· Hematology · 0 citations