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Review
. 2018 Nov;47(11):1627-1635.

Potatoes Consumption and Risk of Type 2 Diabetes: A Meta-analysis

Yuanming Zhang  1 , Dingyun You  2 , Nanjia Lu  1 , Donghui Duan  1 , Xiaoqi Feng  3   4   5 , Thomas Astell-Burt  3   4   5 , Pan Zhu  1 , Liyuan Han  1 , Shiwei Duan  1 , Zuquan Zou  1
Affiliations
Review

Potatoes Consumption and Risk of Type 2 Diabetes: A Meta-analysis

Yuanming Zhang et al. Iran J Public Health. 2018 Nov.

Abstract

Background: Evidence of increased type 2 diabetes (T2D) risk associated with potatoes consumption is equivocal. We aimed to perform a meta-analyses on the association between potatoes consumption and T2D risk in prospective cohort studies.

Methods: Studies published prior to 31 Aug 2016 were identified in PubMed, EMBASE, and Web of Science. Pooled relative risks (RR) and 95% confidence intervals (95%CI) based upon the highest vs. lowest category of potatoes consumption in each study were calculated in meta-analysis using random-effects models. Dose-response meta-analysis was fitted using generalized least squares regression in order to quantify the association between potatoes consumption and T2D risk.

Results: The pooled RR comparing the highest vs. lowest category of potato consumption was 1.077 (95%CI: 1.005, 1.155). Dose-response meta-analysis revealed T2D risk increased 3.5% (RR=1.035, 95% CI: 1.004-1.067) for additional three serving per week serving of potato. The pooled RR comparing the highest vs. lowest category of French fries consumption was 1.362 (95%CI: 1.004, 1.850). Dose-response meta-analysis indicated T2D risk increased 18.7% (RR = 1.187, 95% CI: 1.067-1.321) for additional three serving per week of French fries.

Conclusion: This meta-analysis support a significant positive association between high potatoes consumption and risk of T2D, especially the consumption of French fries.

Keywords: French fries; Potatoes; Type 2 diabetes.

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Conflict of interest statement

Conflict of interest None of the authors declared a conflict of interest.

Figures

Fig. 1:
Fig. 1:
Flow chart of study selection
Fig. 2:
Fig. 2:
Forest plot of potato consumption and T2D risk
Fig. 3:
Fig. 3:
Forest plot of french fries consumption and T2D risk
Fig. 4:
Fig. 4:
Linear dose-response relationship between potato consumption and T2D risk
Fig. 5:
Fig. 5:
Linear dose-response relationship between french fries consumption and T2D risk
See this image and copyright information in PMC

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