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Early indicators of severity and construction of a risk model for prognosis based upon laboratory parameters in patients with hemorrhagic fever with renal syndrome

  • Hong Du , Jing Li , Hai-Tao Yu , Wei Jiang , Ye Zhang , Jun-Ning Wang , Ping-Zhong Wang EMAIL logo and Xue-Fan Bai EMAIL logo
Published/Copyright: June 4, 2014

Abstract

Background: The objective of this study was to explore the role of laboratory parameters as early indicators of severity and as effective predictors of prognosis in patients with hemorrhagic fever with renal syndrome (HFRS).

Methods: A total of 356 patients were enrolled in this study and were divided into mild, moderate, severe and critical types according to the clinical classification of HFRS. The levels of 12 routinely tested laboratory parameters during the acute stage among the four types were compared. The predictive values of the laboratory parameters for prognosis were analyzed, and a risk model for prognosis based upon the parameters was constructed.

Results: The levels of white blood counts (WBC), platelets (PLT), aspartate aminotransferase (AST), albumin (ALB), blood urea nitrogen (BUN), serum creatinine (Scr), prothrombin time (PT) and activated partial thromboplastin time (APTT) demonstrated significant differences among the four types (p<0.001); WBC, AST, PT and fibrinogen (Fib) were major independent risk factors for death; WBC, AST, PT and Fib used in combination were better for predicting prognosis than single parameters used alone (p<0.001).

Conclusions: Some routinely tested laboratory parameters can be beneficial as early indicators of severity of HFRS. Using a combination of WBC, AST, PT and Fib to predict the outcome in patients with HFRS exhibited acceptable diagnostic capability.


Corresponding authors: Ping-Zhong Wang, Center for Infectious Diseases, Tangdu Hospital, Fourth Military Medical University, 569 Xinsi Rd, Baqiao District, Xi’an, 710038, P.R. China, Phone: +86 29 84777595, Fax: +86 29 83515039, E-mail: ; and Xue-Fan Bai, Center for Infectious Diseases, Tangdu Hospital, Fourth Military Medical University, 569 Xinsi Rd, Baqiao District, Xi’an, 710038, P.R. China, Phone: +86 29 84777852, Fax: +86 29 83537377, E-mail:
aHong Du, Jing Li and Hai-Tao Yu contributed equally to this study.

Acknowledgments

This work was supported by the National Basic Research Program of China (973 Program) (No.2012CB518905) and National Natural Science Foundation of China (No.30901346, No.81071370).

Conflict of interest statement

Authors’ conflict of interest disclosure: The authors stated that there are no conflicts of interest regarding the publication of this article. Research support played no role in the study design; in the collection, analysis, and interpretation of data; in the writing of the report; or in the decision to submit the report for publication.

Research funding: None declared.

Employment or leadership: None declared.

Honorarium: None declared.

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Received: 2014-1-4
Accepted: 2014-5-8
Published Online: 2014-6-4
Published in Print: 2014-11-19

©2014 by De Gruyter

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