Diagnostic value of the soluble triggering receptor expressed on myeloid cells-1 in bacterial infection: a meta-analysis |
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Authors: | Jing Jiyong Huang Tiancha Cui Wei Shen Huahao |
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Institution: | (1) Intensive Care Unit, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China;(2) Department of Respiratory Disease, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China |
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Abstract: | Objective To evaluate the accuracy of the soluble triggering receptor expressed on myeloid cells-1 (sTREM-1) as a diagnostic test for
bacterial infection.
Design Meta-analysis of 13 diagnostic studies.
Data source Medline; Embase; Web of Science (from January 1966 to January, update to August 2008); and Cochrane Controlled Clinical Trials
Register Database (through first quarter 2008).
Measurements and results A meta-analysis of all 73 studies was performed. Thirteen studies fulfilled the inclusion criteria (980 patients, 557 patients
with bacterial infection, 423 with non-bacterial infection); global prevalence was 56.8%. The global sensitivity was 0.82
(95% confidence interval CI, 0.68–0.90), the specificity was 0.86 (95% CI, 0.77–0.91), the positive likelihood ratio (PLR)
was 5.66 (95% CI, 3.41–9.38), the negative likelihood ratio (NLR) was 0.21 (95% CI, 0.12–0.40), and the diagnostic odds ratio
(DOR) was 26.35 (95% CI, 10.32–67.28). The area under the curve of the summary receiver operator characteristic (SROC) was
0.86 (95% CI, 0.77–0.91), with a Q point value of 0.84. The sensitivity of the sTREM-1 assay for diagnosis of urinary tract
infection was low (0.18, 95% CI, 0.05–0.51).
Conclusions sTREM-1 represents a reliable biological marker of bacterial infection, but it may be not a sufficient biological marker for
infection of the urinary tract as a result of its low sensitivity. Whether sTREM-1 guidance can reduce antibiotic use as well
as the measurement of sTREM-1 in different types of infection will require additional prospective studies. |
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Keywords: | TREM1 protein Human Bacterial infection Diagnostic test Biological marker Meta-analysis |
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