PONE-D-24-21132Evaluation of Transcutaneous Electrical Acupoint Stimulation for Improving Pain and Cognitive Function in Patients Around the Perioperative Period of Hip Replacement Surgery: A Meta-AnalysisPLOS ONE

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Reviewers' comments:

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Reviewer #1: Yes

Reviewer #2: Yes

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Reviewer #1: N/A

Reviewer #2: No

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Reviewer #1: Yes

Reviewer #2: Yes

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Reviewer #1: Yes

Reviewer #2: Yes

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Reviewer #1: The manuscript with title "Evaluation of Transcutaneous Electrical Acupoint Stimulation for Improving

Pain and Cognitive Function in Patients Around the Perioperative Period of Hip

Replacement Surgery: A Meta-Analysis" was good written and designed

Reviewer #2: In this manuscript, the research team employed meta-analysis and systematic evaluation to investigate the efficacy and safety of transcutaneous electrical acupoint stimulation in patients around the perioperative period of hip replacement surger. The author's discussion is clearly expressed, allowing readers to easily comprehend the study's theme. However, this manuscript still requires some improvements. Here are my suggestions.

1. Due to the small number of documents included in this study, it is recommended to consider expanding the age range of the subjects. If elderly patients undergoing hip replacement surgery are selected, please describe the purpose of the study in the title and the full text.

2. Based on Table 2, it is evident that China is predominantly involved in research within this field. Therefore, it is essential to search four renowned databases in China to ensure comprehensive retrieval of literature. Additionally, please update the retrieval date.

3. The author should consider whether there are different measurement methods or units between VAS and MMSE, which will bring heterogeneity. Therefore, is it more accurate to utilize SMD in the scoring table?

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Reviewer #1: No

Reviewer #2: No

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Evaluation of Transcutaneous Electrical Acupoint Stimulation for Improving Pain and Cognitive Function in Elderly Patients Around the Perioperative Period of Hip Replacement Surgery: A Meta-Analysis

PONE-D-24-21132R1

Dear Dr. Jiang

We’re pleased to inform you that your manuscript has been judged scientifically suitable for publication and will be formally accepted for publication once it meets all outstanding technical requirements.

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Kind regards,

Hantong Hu

Academic Editor

PLOS ONE

Additional Editor Comments (optional):

The authors have made substantial revisions to the article strictly based on the reviewers’ comments, significantly improving the quality of the paper. I believe it now meets the standards for acceptance.

Reviewers' comments: