To study if there is an association between mildly elevated body iron and glucose homeostasis indexes.
A cross-sectional population study was conducted in 1,013 middle-aged men, and an association of serum ferritin with concentrations of serum insulin, blood glucose, and serum fructosamine was tested.
The mean concentration of fasting serum insulin was 21.6% higher (95% CI 7.3-37.9%, P