The median effective concentration of ropivacaine for ultrasound-guided anterior iliopsoas muscle space block in the elderly undergoing hip surgery: a dose-finding study

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Main article text

 

Introduction

Materials and Methods

Patient and public involvement

Statistical analysis

Results

Discussion

Conclusions

Supplemental Information

Consort checklist.

DOI: 10.7717/peerj.17970/supp-1

Raw measurements.

DOI: 10.7717/peerj.17970/supp-2

Additional Information and Declarations

Competing Interests

The authors declare that they have no competing interests.

Author Contributions

Peng Ma conceived and designed the experiments, performed the experiments, authored or reviewed drafts of the article, and approved the final draft.

Rui Zeng performed the experiments, analyzed the data, prepared figures and/or tables, and approved the final draft.

Jiang Peng conceived and designed the experiments, authored or reviewed drafts of the article, and approved the final draft.

Juan Zhu performed the experiments, authored or reviewed drafts of the article, and approved the final draft.

Zhaojun Jing analyzed the data, prepared figures and/or tables, and approved the final draft.

Yu Han conceived and designed the experiments, authored or reviewed drafts of the article, and approved the final draft.

Human Ethics

The following information was supplied relating to ethical approvals (i.e., approving body and any reference numbers):

Ethics Committee of the Affiliated Hospital of Jiangsu University.

Clinical Trial Ethics

The following information was supplied relating to ethical approvals (i.e., approving body and any reference numbers):

This study was approved by the Ethics Committee of the Affiliated Hospital of Jiangsu University (KY2022H1209-2).

Data Availability

The following information was supplied regarding data availability:

The raw measurements are available in the Supplemental Files 1.

Clinical Trial Registration

The following information was supplied regarding Clinical Trial registration:

ChiCTR2200066797.

Funding

This research was funded by the Science and Technology Planning Social Development Project of Zhenjiang City (SH2022083). The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.

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