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Open Access 01-12-2021 | Acute Kidney Injury | Letter to the Editor

Determining risk factors of continuous renal replacement treatment after emergency surgery for type A acute aortic dissection: statistical issues

Authors: Zhao-Jing Xue, Peng Dong, Fu-Shan Xue

Published in: Journal of Cardiothoracic Surgery | Issue 1/2021

Abstract

This letter to the editor has made several comments regarding possible statistical issues in recent article by Wang et al. determining the risk factors of continuous renal replacement treatment after emergency surgery for type A acute aortic dissection, which is published in Journal of Cardiothoracic Surgery. 2020; 15(1):100. Our comments were involved in the issues of using the propensity score matched cohorts to adjust the covariates that can potentially confound the primary outcomes, process of establishing multivariate model and application of Kaplan-Meier curve analysis in this retrospective study. We would like to remind readers to pay special attention to these issues and invite the authors to comment on these.

Wang Z, Ge M, Chen T, Chen C, Zong Q, Lu L, et al. Independent risk factors and the long-term outcomes for postoperative continuous renal replacement treatment in patients who underwent emergency surgery for type a acute aortic dissection. J Cardiothorac Surg. 2020;15(1):100.CrossRef

Cepeda MS, Boston R, Farrar JT, Strom BL. Comparison of logistic regression versus propensity score when the number of events is low and there are multiple confounders. Am J Epidemiol. 2003;158(3):280–7.CrossRef

Wu HB, Ma WG, Zhao HL, Zheng J, Li JR, Liu O, et al. Risk factors for continuous renal replacement therapy after surgical repair of type a aortic dissection. J Thorac Dis. 2017;9(4):1126–32.CrossRef

Shang W, Ma M, Ge YP, Liu N, Zhu JM, Sun LZ. Analysis of risk factors of type a aortic dissection (TAAD) operation of frozen elephant trunk and total arch replacement. Eur Rev Med Pharmacol Sci. 2016;20(21):4586–92.PubMed

Ko T, Higashitani M, Sato A, et al. Impact of acute kidney injury on early to long-term outcomes in patients who underwent surgery for type a acute aortic dissection. Am J Cardiol. 2015;116(3):463–8.CrossRef

Vittinghoff E, McCulloch CE. Relaxing the rule of ten events per variable in logistic and cox regression. Am J Epidemiol. 2007;165:710–8.CrossRef

Title: Determining risk factors of continuous renal replacement treatment after emergency surgery for type A acute aortic dissection: statistical issues
Authors: Zhao-Jing Xue
Peng Dong
Fu-Shan Xue
Publication date: 01-12-2021
Publisher: BioMed Central
Keywords: Acute Kidney Injury
Acute Kidney Injury
Aortic Dissection
Published in: Journal of Cardiothoracic Surgery / Issue 1/2021
Electronic ISSN: 1749-8090
DOI: https://doi.org/10.1186/s13019-021-01396-z

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Determining risk factors of continuous renal replacement treatment after emergency surgery for type A acute aortic dissection: statistical issues

Abstract

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Abstract

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