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- Title
Serum ferritin, diabetes, diabetes control, and insulin resistance.
- Authors
Zhan, Yiqiang; Tang, Zheng; Yu, Jinming
- Abstract
Aims: The present study aims to investigate the association between serum ferritin and diabetes, diabetes control, and insulin resistance (IR) and examine whether gender is a modifier for these associations in a community-based sample. Methods: A cross-sectional survey of 8,235 participants was conducted in 2009. Serum ferritin, glucose, hemoglobin A1c (HbA1c), insulin, inflammatory markers, and lipid markers were measured. IR was estimated with a Homeostasis Model Assessment (HOMA-IR) equation. Multiple logistic and linear regression models were applied to evaluate these associations. Results: The numbers of diabetic patients and non-diabetic participants in the present study were 644 (7.8 %) and 7,591 (92.2 %). After adjusting for multiple confounders, the odds ratios (ORs) and 95 % confidence intervals (CIs) for diabetes were 1.48 (1.31-1.69) in men and 1.43 (1.24-1.65) in women for one-unit increase in log-transformed serum ferritin levels. Likewise, ORs (95 % CIs) for poor diabetes control (HbA1c ≥7.5 %) were 1.58 (1.21-2.05) and 1.37 (1.07-1.77) in men and women, respectively. As for HOMA-IR, the respective betas ( P value) for one-unit increase in log-transformed serum ferritin were 0.07 ( P < 0.0001) and 0.06 ( P < 0.0001) in men and women. Conclusions: In conclusion, elevated serum ferritin levels were associated with higher risks of diabetes, higher levels of HbA1c, and HOMA-IR independent of several confounders.
- Subjects
FERRITIN; TREATMENT of diabetes; INSULIN resistance; REGRESSION analysis; CROSS-sectional method; HOMEOSTASIS; HEMOGLOBINS; GLUCOSE
- Publication
Acta Diabetologica, 2014, Vol 51, Issue 6, p991
- ISSN
0940-5429
- Publication type
Article
- DOI
10.1007/s00592-014-0656-1