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The effect of green tea on patients with type 2 diabetes mellitus: A meta-analysis
Ming-Jie Jia1, Xing-Ning Liu1, Ying-Chao Liang1
1The Fourth Clinical Medical College of Guangzhou University of Chinese Medicine, Shenzhen, Guangdong, China.
Background:
To systematically evaluate the effect of green tea on patients with type 2 diabetes.
Methods:
A computer search Cochrane, PubMed, Embase, CNKI, Wanfang, VIP, and other Chinese and English databases were conducted for randomized controlled trials of green tea in the treatment of patients with type 2 diabetes. The duration of these trials spanned from the establishment of the database to January 10, 2024. The obtained data were subjected to meta-analysis using Stata15.1 software. A total of 15 articles were included, encompassing 722 patients.
Results:
The meta-analysis results showed that compared to the control group, green tea intervention significantly improved the improvement of fasting blood glucose (SMD = -0.41, 95% CI: -0.67 to -0.19, P = .001), glycated hemoglobin (SMD = -0.68, 95% CI: -1.15 to 0.21, P = .004) and insulin resistance index (SMD = -0.70, 95% CI: -1.18 to -0.22, P = .005) in the experimental group compared to the control group. The differences were statistically significant (P < .05).
Conclusion:
Green tea significantly improves fasting blood glucose, glycated hemoglobin and insulin resistance in patients with type 2 diabetes.
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