• Yuehua Shen and Hongmei Cui.
• Department of Hospital Infection Management, Huzhou Traditional Chinese Medicine Hospital Affiliated to Zhejiang Chinese Medical University, Huzhou, Zhejiang Province, PR China.
• Medicine (Baltimore). 2021 Oct 1; 100 (39): e27363e27363.

BackgroundAutomated systems have been developed to reduce labor-intensive manual recordings during nosocomial infection surveillance. The diagnostic accuracies of these systems have differed in various settings.MethodsWe designed this meta-analysis to evaluate the diagnostic accuracy of an electronic surveillance tool for catheter-associated urinary tract infections (CAUTIs) in tertiary care hospitals. We systematically searched databases such as Medline, Scopus, Cochrane library and Embase (from inception until November 2019) for relevant studies. We assessed the quality of trials using the diagnostic accuracy studies-2 tool, and performed a meta-analysis to obtain a pooled sensitivity and specificity for electronic surveillance. We included 6 studies with 16,492 patients in the analysis.ResultsWe found a pooled sensitivity of electronic diagnostic surveillance for CAUTIs of 97.5% (95% confidence interval [CI], 67.6-99.9%) and a pooled specificity of 92.6% (95% CI, 55.2-99.2%). The diagnostic odds ratio was 494 (95% CI, 89-2747). The positive likelihood ratio was 13.1 (95% CI, 1.63-105.8) and the negative likelihood ratio 0.02 (95% CI, 0.001-0.40). A bivariate box plot indicated the possibility of heterogeneity between the included studies.ConclusionOur review suggests that electronic surveillance is useful for diagnosing CAUTIs among hospitalized patients in tertiary care hospitals due to its high sensitivity and specificity.Copyright © 2021 the Author(s). Published by Wolters Kluwer Health, Inc.

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