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Article

Diagnostic value of serum leptin and a promising novel diagnostic model for sepsis

  • Authors:
    • Mingyi Chen
    • Bin Wang
    • Yaping Xu
    • Zihui Deng
    • Hui Xue
    • Luhuan Wang
    • Lei He
  • View Affiliations / Copyright

    Affiliations: Department of Hepatobiliary Surgery, Chinese People's Liberation Army General Hospital, Beijing 100853, P.R. China, Department of Critical Care Medicine, Chinese People's Liberation Army General Hospital, Beijing 100853, P.R. China, Center of Inspection of Clinical Division, Chinese People's Liberation Army General Hospital, Beijing 100853, P.R. China, Research Laboratory of Biochemistry, Basic Medical Institute, Chinese People's Liberation Army General Hospital, Beijing 100853, P.R. China
  • Pages: 881-886
    |
    Published online on: January 27, 2014
       https://doi.org/10.3892/etm.2014.1506
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Abstract

Diagnosis of sepsis in critically ill patients is important to reduce morbidity and mortality. The present study was conducted to determine the role of serum leptin in the early diagnosis of sepsis and to establish a diagnostic model for sepsis. A retrospective study was conducted of 331 patients from an intensive care unit. All patients underwent consistent blood collection at 6:00 a.m. every morning after fasting. Serum leptin concentrations and additional markers of sepsis were compared between the sepsis group (n=128) and the non‑sepsis group (n=203). Septic patients displayed significantly higher leptin serum concentrations compared with those of the non-sepsis group (mean concentration, 11.67 versus 4.824 mg/dl; P<0.001). The leptin levels in male patients were higher than those in female patients, particularly in the sepsis group. The accuracy of serum leptin levels in distinguishing septic patients from non-septic patients was 76%, and the area under the receiver operating characteristic (ROC) curve of serum leptin was ≤0.8. Additional markers of inflammation in the sepsis group were also significantly higher than those in the non‑sepsis group. Positive correlations were identified between leptin and body temperature, heart rate and creatinine levels. Therefore, a prognostic model comprising a combination of leptin with temperature, platelet count, white blood cell count and heart rate was evaluated as an effective logistic regression model for the diagnosis of sepsis. The logistic regression output cut-off value was 0.46 and the area under the ROC curve was 0.953 (P<0.0001). It may be concluded that leptin is a valuable marker in the diagnosis of sepsis and the proposed prognostic model is an effective logistic regression model for the diagnosis of sepsis. The prognostic model is able to aid the differentiation of septic patients from non-septic patients.
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Copy and paste a formatted citation
Spandidos Publications style
Chen M, Wang B, Xu Y, Deng Z, Xue H, Wang L and He L: Diagnostic value of serum leptin and a promising novel diagnostic model for sepsis. Exp Ther Med 7: 881-886, 2014.
APA
Chen, M., Wang, B., Xu, Y., Deng, Z., Xue, H., Wang, L., & He, L. (2014). Diagnostic value of serum leptin and a promising novel diagnostic model for sepsis. Experimental and Therapeutic Medicine, 7, 881-886. https://doi.org/10.3892/etm.2014.1506
MLA
Chen, M., Wang, B., Xu, Y., Deng, Z., Xue, H., Wang, L., He, L."Diagnostic value of serum leptin and a promising novel diagnostic model for sepsis". Experimental and Therapeutic Medicine 7.4 (2014): 881-886.
Chicago
Chen, M., Wang, B., Xu, Y., Deng, Z., Xue, H., Wang, L., He, L."Diagnostic value of serum leptin and a promising novel diagnostic model for sepsis". Experimental and Therapeutic Medicine 7, no. 4 (2014): 881-886. https://doi.org/10.3892/etm.2014.1506
Copy and paste a formatted citation
x
Spandidos Publications style
Chen M, Wang B, Xu Y, Deng Z, Xue H, Wang L and He L: Diagnostic value of serum leptin and a promising novel diagnostic model for sepsis. Exp Ther Med 7: 881-886, 2014.
APA
Chen, M., Wang, B., Xu, Y., Deng, Z., Xue, H., Wang, L., & He, L. (2014). Diagnostic value of serum leptin and a promising novel diagnostic model for sepsis. Experimental and Therapeutic Medicine, 7, 881-886. https://doi.org/10.3892/etm.2014.1506
MLA
Chen, M., Wang, B., Xu, Y., Deng, Z., Xue, H., Wang, L., He, L."Diagnostic value of serum leptin and a promising novel diagnostic model for sepsis". Experimental and Therapeutic Medicine 7.4 (2014): 881-886.
Chicago
Chen, M., Wang, B., Xu, Y., Deng, Z., Xue, H., Wang, L., He, L."Diagnostic value of serum leptin and a promising novel diagnostic model for sepsis". Experimental and Therapeutic Medicine 7, no. 4 (2014): 881-886. https://doi.org/10.3892/etm.2014.1506
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