Abstract
We aimed to assess the diagnostic performance of transient elastography for evaluating liver fibrosis in children and adolescents. A computerized search of Medline and Embase up to December 31, 2017, was performed to identify studies. Studies evaluating the diagnostic performance of transient elastography for the severity of liver fibrosis in children and adolescents were selected. Pooled sensitivity and specificity were calculated using hierarchic logistic regression modeling. Multiple subgroup analysis was performed. In this meta-analysis that included 11 original articles involving 723 patients, transient elastography showed a summary sensitivity of 95% (95% CI, 74-99%) and a specificity of 90% (95% CI, 81-95%) for the diagnosis of significant liver fibrosis (stage ≥ F2) in children. The hierarchic summary ROC AUC was 0.96 (95% CI, 0.94-0.98). Multiple subgroup analysis for the diagnosis of significant hepatic fibrosis showed clinically acceptable ranges of sensitivity and specificity across all subgroups. In additional subgroup analysis, the diagnostic accuracies of transient elastography according to the Metavir system were also within a clinically acceptable range, measured up to a sensitivity of 86% and specificity of 86% for diagnosing Metavir stage F4 fibrosis. Transient elastography showed highly accurate diagnostic performance for the diagnosis of liver fibrosis in children.
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