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Endocrine

pp 1–2 | Cite as

Methodological issues in meta-analysis of the metformin effects on simple obesity

  • Simiao TianEmail author
Letter to the Editor
  • 19 Downloads

Notes

Funding

This study was funded by China Postdoctoral Science Foundation (grant number: 2018M631780).

Compliance with ethical standards

Conflict of interest

The author declares that he has no conflict of interest.

References

  1. 1.
    H.H. Ning, J. Le, Q. Wang, C.A. Young, B. Deng, P.X. Gao, H.Q. Zhang, S.L. Qin, The effects of metformin on simple obesity: a meta-analysis. Endocrine 62(3), 528–534 (2018)CrossRefGoogle Scholar
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    M. Borenstein, L.V. Hedges, J.P. Higgins, H.R. Rothstein, A basic introduction to fixed-effect and random-effects models for meta-analysis. Res. Synth. Methods 1(2), 97–111 (2010)CrossRefGoogle Scholar
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    G. Knapp, J. Hartung, Improved tests for a random effects meta-regression with a single covariate. Stat. Med. 22(17), 2693–2710 (2003)CrossRefGoogle Scholar

Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Department of Scientific Research ProjectAffiliated Zhongshan Hospital of Dalian UniversityDalianPeople’s Republic of China

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