The relationship between pistachio (Pistacia vera L) intake and adiposity: A systematic review and meta-analysis of randomized controlled trials

The aim of the study was to conduct a systematic review to comprehensively evaluate the relationship between pistachio intake and obesity. We searched 6 databases and acquired parameters from randomized controlled trials regarding obesity, including body weight, body mass index (BMI), and waist circ...

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Bibliographic Details
Published in:Medicine (Baltimore) 2020-08, Vol.99 (34), p.e21136-e21136
Main Authors: Xia, Ke, Yang, Ting, An, Li-Ya, Lin, Yue-Ying, Qi, Yu-Xing, Chen, Xiong-Zhi, Sun, Da-Li
Format: Article
Language:English
Subjects:
Adiposity
Diet
Humans
Nuts
Obesity - prevention & control
Pistacia
Randomized Controlled Trials as Topic
Systematic Review and Meta-Analysis
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Summary:The aim of the study was to conduct a systematic review to comprehensively evaluate the relationship between pistachio intake and obesity. We searched 6 databases and acquired parameters from randomized controlled trials regarding obesity, including body weight, body mass index (BMI), and waist circumference. A fixed-effect model was applied to the meta-analysis for the weighted mean difference (WMD) between a diet with pistachios and a control diet. Eleven trials including a total of 1593 subjects met the inclusion criteria. Compared to the group on a control diet, the pistachio diet group showed lower BMI values (WMD: -0.18 kg/m; 95% confidence interval [CI]: -0.26, -0.11 kg/m; I = 29.8%) and no differences in body weight (WMD: -0.22 kg; 95% CI: -0.50, 0.07 kg; I = 0.0%) or waist circumference (WMD: 0.76 cm; 95% CI: -0.11, 1.63 cm; I = 7.0%). A diet with pistachios reduced BMI and had no significant effects on body weight and waist circumference.
ISSN:0025-7974
1536-5964
DOI:10.1097/MD.0000000000021136