Abstract
Objectives
Monocyte distribution width (MDW) is a quantitative measurement of monocyte anisocytosis and has been proposed as an efficient marker for early sepsis detection. This study aimed to assess the prognostic potential of MDW in septic patients.
Methods
In this study, a total of 252 adult septic patients were enrolled. Demographic, clinical, and laboratory finding including MDW and traditional inflammatory biomarkers detected at three time points (day 1, day 3 and day 6) after admission were collected and compared between 28-day survivors and non-survivors. Receiver operating characteristic (ROC) curves, Kaplan-Meier survival curve and Cox regression analyses were performed to assess and compare their predictive values. Group-based trajectory modeling was applied to identify MDW trajectory endotypes. Basic characteristics and 28-day outcomes were compared between the trajectories.
Results
ROC curve analysis showed that MDW levels measured on day 3 after admission (D3-MDW) had moderate prognostic value and was independently associated with 28-day mortality in patients with sepsis. A D3-MDW value of 26.20 allowed discrimination between survivors and non-survivors with a sensitivity of 77.8 % and a specificity of 67.6 %. However, the prognostic accuracy of D3-MDW was diminished in immune-compromised patients and patients who already received antibiotics before admission. Group-based trajectory modeling indicated that excessively elevated and delayed decreased MDW levels during the first week after admission inversely correlated with prognosis.
Conclusions
MDW values detected on day 3 after admission and its kinetic change might be potential markers for predicting short-term outcome in adult septic patients.
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Research ethics: The research protocol was approved by the Institutional Ethical Review Boards of the First Affiliated Hospital of Sun Yat-sen University.
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Informed consent: Informed consent was obtained from all individuals included in this study.
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Author contributions: WD and LY developed the concept and designed the study. LY, WRZ and ZSH carried out the data acquisition and statistical analysis. The manuscript was written by LY and revised by WD and QL. All authors have read and approved the final manuscript.
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Competing interests: The authors declare that they have no competing interests.
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Research funding: None declared.
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Supplementary Material
This article contains supplementary material (https://doi.org/10.1515/cclm-2023-0577).
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