Blood urea nitrogen to serum albumin ratio: a good predictor of in-hospital and 90-day all-cause mortality in patients with acute exacerbations of chronic obstructive pulmonary disease

Peer Review reports

Original Submission
28 Jul 2022	Submitted	Original manuscript
Resubmission - Version 2
	Submitted	Manuscript version 2
14 Aug 2022	Reviewed	Reviewer Report
2 Sep 2022	Reviewed	Reviewer Report - Aditya Kotecha
1 Oct 2022	Reviewed	Reviewer Report - Bernardino Alcázar-navarrete
20 Oct 2022	Author responded	Author comments - Liping Wei
Resubmission - Version 3
20 Oct 2022	Submitted	Manuscript version 3
26 Oct 2022	Reviewed	Reviewer Report
9 Nov 2022	Reviewed	Reviewer Report - Bernardino Alcázar-navarrete
Resubmission - Version 4
	Submitted	Manuscript version 4
Publishing
23 Nov 2022	Editorially accepted
15 Dec 2022	Article published	10.1186/s12890-022-02258-7

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