Capnographic monitoring reduces hypoxia incidence in older patients undergoing gastrointestinal endoscopy under propofol sedation: study protocol for a multicenter randomized controlled trial

Peer Review reports

Original Submission
10 May 2022	Submitted	Original manuscript
1 Nov 2022	Reviewed	Reviewer Report - Kirsty Loudon
16 Nov 2022	Reviewed	Reviewer Report - Jie Sun
16 Nov 2022	Reviewed	Reviewer Report - Mian Peng
23 Jan 2023	Author responded	Author comments - Qiuyue Lian
Resubmission - Version 2
23 Jan 2023	Submitted	Manuscript version 2
22 Feb 2023	Author responded	Author comments - Qiuyue Lian
Resubmission - Version 3
22 Feb 2023	Submitted	Manuscript version 3
Publishing
27 Feb 2023	Editorially accepted
15 Mar 2023	Article published	10.1186/s13063-023-07208-0

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