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Data collection process

XX Xiali Xue
QS Qingfa Song
XY Xinwei Yang
AK Amila Kuati
HF Hao Fu
GC Guoqing Cui
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Two researchers (XWY and FH) independently conducted data extraction. They used a pre-designed data collection form to record information including first author details, publication date, publication year, country of origin, study design, sample size, basic patient characteristics, intervention details for treatment and control groups, and primary and secondary outcomes. In cases where the above-mentioned data were incomplete, attempts were made to contact the article authors for additional information. When data were not reported, authors were emailed three times with one week in between attempts to clarify the information. In trials in which SD was not reported, the study will be excluded directly. Any disagreements during data extraction were resolved through discussions with a third researcher (GQC).

Copyright and License information: The Author(s) ©2024
Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated in a credit line to the data.

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