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- Title
Association between serum calcium level and type 2 diabetes: An NHANES analysis and Mendelian randomization study.
- Authors
Zhai, Zhiyu; Deng, Yun; He, Yunbiao; Chen, Li; Chen, Xia; Zuo, Lei; Liu, Mingliang; Mao, Minzhi; Li, Sha; Hu, Haiping; Chen, Haiyan; Wei, Yuan; Zhou, Qin; Hao, Guang; Peng, Shuang
- Abstract
Aims: This study investigated the association between serum calcium levels and the prevalence of T2D using a cross‐sectional study and Mendelian randomization analysis. Methods: Cross‐sectional data were obtained from the National Health and Nutrition Examination Survey (NHANES) from 1999 to 2018. Serum calcium levels were divided into three groups (low, medium and high groups) according to the tertiles. Logistic regression was used to estimate the association between serum calcium levels and T2D prevalence. Instrumental variables for serum calcium levels were obtained from the UK Biobank and a two‐sample MR analysis was performed to examine the causal relationship between genetically predicted serum calcium levels and the risk of T2D. Results: A total of 39,645 participants were available for cross‐sectional analysis. After adjusting for covariates, participants in the high serum calcium group had significantly higher odds of T2D (OR = 1.18, 95% CI = 1.07, 1.30, p = 0.001) than those in the moderate group. Restricted cubic spline plots showed a J‐shaped curve relationship between serum calcium level and prevalence of T2D. Consistently, Mendelian randomization analysis showed that higher genetically predicted serum calcium levels were causally associated with a higher risk of T2D (OR = 1.16, 95% CI: 1.01, 1.33, p = 0.031). Conclusions: The results of this study suggest that higher serum calcium levels are causally associated with a higher risk of T2D. Further studies are needed to clarify whether intervening in high serum calcium could reduce the risk of T2D.
- Subjects
UNITED States; UNITED Kingdom; META-analysis; CONFIDENCE intervals; SINGLE nucleotide polymorphisms; CROSS-sectional method; TYPE 2 diabetes; RISK assessment; QUESTIONNAIRES; DISEASE prevalence; DESCRIPTIVE statistics; CALCIUM; MOLECULAR epidemiology; LOGISTIC regression analysis; ODDS ratio; DISEASE risk factors
- Publication
Diabetic Medicine, 2023, Vol 40, Issue 8, p1
- ISSN
0742-3071
- Publication type
Article
- DOI
10.1111/dme.15080