Effect of raw electroencephalogram-guided anesthesia administration on postoperative outcomes in elderly patients undergoing abdominal major surgery: a randomized controlled trial.

"Declarations Ethics approval and consent to participateThe research was approved by the Clinical Research Ethics Committee of the First Affiliated Hospital of Anhui Medical University Institutional Review Board (IRB number: No. PJ2020-13-09), and written informed consent was obtained from each subject that attends the trial. In addition, the trial was registered before patient enrollment at the Chinese Clinical Trial Registry at 12/11/2020 (Clinical Trials Number: ChiCTR2000039864) and was conducted from November 2020 to May 2022 in accordance with the Helsinki Declaration. Consent for publicationNot applicable. Competing interestsThe authors declare no competing interests. Competing interests The authors declare no competing interests."

"Funding This study was supported by China primary health care foundation (YLGX-WS-2020001 to Lijian Chen) and China primary health care foundation (WKZX2023CX170005 to Guanghong Xu) which provided funds for collection and analysis of clinical data."

"This single-center and randomized controlled trial compared the outcomes of two parallel groups, which were the rEEG-guided group and the routine care group. The research was approved by the Clinical Research Ethics Committee of the First Affiliated Hospital of Anhui Medical University Institutional Review Board (IRB number: No. PJ2020-13-09), and written informed consent was obtained from each subject that attends the trial. In addition, the trial was registered before patient enrollment at the Chinese Clinical Trial Registry at 12/11/2020 (Clinical Trials Number: ChiCTR2000039864) and was conducted from November 2020 to May 2022 in accordance with the Helsinki Declaration. Declarations: Ethics approval and consent to participateThe research was approved by the Clinical Research Ethics Committee of the First Affiliated Hospital of Anhui Medical University Institutional Review Board (IRB number: No. PJ2020-13-09), and written informed consent was obtained from each subject that attends the trial. In addition, the trial was registered before patient enrollment at the Chinese Clinical Trial Registry at 12/11/2020 (Clinical Trials Number: ChiCTR2000039864) and was conducted from November 2020 to May 2022 in accordance with the Helsinki Declaration.: Consent for publicationNot applicable.: Competing interestsThe authors declare no competing interests. Ethics approval and consent to participate: The research was approved by the Clinical Research Ethics Committee of the First Affiliated Hospital of Anhui Medical University Institutional Review Board (IRB number: No. PJ2020-13-09), and written informed consent was obtained from each subject that attends the trial. In addition, the trial was registered before patient enrollment at the Chinese Clinical Trial Registry at 12/11/2020 (Clinical Trials Number: ChiCTR2000039864) and was conducted from November 2020 to May 2022 in accordance with the Helsinki Declaration."