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. 2018 Jan;97(1):e9517.
doi: 10.1097/MD.0000000000009517.

Retracted: Serum 25-hydroxyvitamin D and risk of type 2 diabetes in older adults: A dose-response meta-analysis of prospective cohort studies

Peng Cheng  1 , Pei Fei, Yao Zhang, Zhaoxiong Hu, Hao Gong, Weijia Xu, Yujiu Gao, Qinghong Zhang
Affiliations

Retracted: Serum 25-hydroxyvitamin D and risk of type 2 diabetes in older adults: A dose-response meta-analysis of prospective cohort studies

Peng Cheng et al. Medicine (Baltimore). 2018 Jan.

Retraction in

Abstract

Lower serum level of 25-hydroxyvitamin D is common in older adults and associated with several negative outcomes. However, previous studies have indicated that 25-hydroxyvitamin D is associated with risk of type 2 diabetes, but presented controversial results.Studies in PubMed and EMBASE were searched update to June 2017 to identify and quantify the potential dose-response association between low 25-hydroxyvitamin D and risk of type 2 diabetes in older adults.Nine eligible studies involving a total of 34,511 participants with 2863 incident cases were included in this meta-analysis. Our results showed statistically significant association between lower 25-hydroxyvitamin D and type 2 diabetes in older adults [odds ratio (OR) = 1.19, 95% confidence interval (95% CI): 1.08-1.32, P = .001]. In addition, we obtained the best fit at an inflection point of decrease 10 ng/mL in piecewise regression analysis; the summary relative risk of type 2 diabetes in older adults for a decrease of 10 ng/mL 25-hydroxyvitamin D was 1.06 (95% CI: 1.02-1.13, P < .001). Furthermore, subgroups analysis indicated that lower 25-hydroxyvitamin D was associated with a significant increment risk of type 2 diabetes in older adults in female (OR = 1.21, 95% CI: 1.04-1.40, P = .014) but not in male (OR = 1.11, 95% CI: 0.75-1.63, P = .615). Subgroup meta-analyses in study design, duration of follow-up, number of participants, and number of cases showed consistent with the primary findings.Lower 25-hydroxyvitamin D is associated with type 2 diabetes in older adults risk increment.

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Conflict of interest statement

The authors have disclosed no conflicts of interest.

Figures

Figure 1
Figure 1
Flow diagram of the study selection process.
Figure 2
Figure 2
Dose–response relationship between circulating 25-hydroxyvitamin D and risk of type 2 diabetes in older adults.
Figure 3
Figure 3
A funnel plot for the meta-analysis of circulating 25-hydroxyvitamin D and risk of type 2 diabetes in older adults.
See this image and copyright information in PMC

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