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. 2024 Nov 11;24(1):401.
doi: 10.1186/s12876-024-03493-4.

Association of serum albumin-to-creatinine ratio with in-hospital mortality in patients with severe acute pancreatitis: a retrospective study

Lin Yang #  1 , Shuqin Cao #  1 , Meng Chen #  2 , Junxiu Zhang  3 , Chiyi He  1 , Wei Wang  4
Affiliations

Association of serum albumin-to-creatinine ratio with in-hospital mortality in patients with severe acute pancreatitis: a retrospective study

Lin Yang et al. BMC Gastroenterol. .

Abstract

Background: The serum albumin-to-serum creatinine ratio (sACR) is independently associated with the prognosis of multiple diseases. However, its relationship with in-hospital mortality of patients with severe acute pancreatitis (SAP) remains unclear.

Methods: Patients diagnosed with SAP between April 2016 and December 2023 were collected. These patients were categorized into low and high sACR groups based on an optimal cut-off value calculated using Youden's index. Multivariate logistic regression analysis was utilized to examine the relationship between sACR levels and the in-hospital mortality. Additionally, a limited restricted cubic spline (RCS) method was employed to evaluate the nonlinear relationship between sACR values and the risk of in-hospital mortality. The potential for unmeasured confounders between sACR levels and in-hospital mortality was also explored through the calculation of the E value.

Results: A total of 114 eligible patients were included in this sutdy. The multivariate logistic regression analysis indicated an independent association between sACR levels and in-hospital mortality (p < 0.001). The RCS analysis demonstrated a linear correlation between sACR values and the risk of in-hospital mortality (P for non-linearity > 0.05), where the risk increased as the sACR value decreased.

Conclusions: The research findings suggest that sACR levels are independently associated with in-hospital mortality of patients with SAP, providing a means for early identification of those at high risk of in-hospital mortality. This early identification may facilitate the optimizing and strengthening of treatments, ultimately leading to improved outcomes.

Keywords: In-hospital mortality; Serum albumin-to-serum creatinine ratio; Severe acute pancreatitis.

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Conflict of interest statement

Declarations Ethics approval and consent to participate Due to retrospective nature of the study, ethics approval and informed consent from patients were waived by the Division of Science and Technology of Yijishan hospital of Wannan Medical college in accordance with national legislation and institutional requirements. Consent for publication Not applicable. Competing interests The authors declare no competing interests.

Figures

Fig. 1
Fig. 1
Flowchart depicting the patient selection process
Fig. 2
Fig. 2
Receiver operating characteristic curve of sACR for predicting in-hospital mortality in patients with severe acute pancreatitis
Fig. 3
Fig. 3
Associations of the sACR values and the risk of in-hospital mortality in patients with severe acute pancreatitis using restricted cubic splines
See this image and copyright information in PMC

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