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Performance of transient elastography for the staging of liver fibrosis in patients with chronic hepatitis B: a meta-analysis.


ABSTRACT:

Background

Transient elastography (TE), a non-invasive tool that measures liver stiffness, has been evaluated in meta-analyses for effectiveness in assessing liver fibrosis in European populations with chronic hepatitis C (CHC). However, these data cannot be extrapolated to populations in Asian countries, where chronic hepatitis B (CHB) is more prevalent. In this study, we performed a meta-analysis to assess the overall performance of TE for assessing liver fibrosis in patients with CHB.

Methods

Studies from the literature and international conference abstracts which enrolled only patients with CHB or performed a subgroup analysis of such patients were enrolled. Combined effects were calculated using area under the receiver operating characteristic curves (AUROC) and diagnostic accuracy values of each study.

Result

A total of 18 studies comprising 2,772 patients were analyzed. The mean AUROCs for the diagnosis of significant fibrosis (F2), severe fibrosis (F3), and cirrhosis (F4) were 0.859 (95% confidence interval [CI], 0.857-0.860), 0.887 (95% CI, 0.886-0.887), and 0.929 (95% CI, 0.928-0.929), respectively. The estimated cutoff for F2 was 7.9 (range, 6.1-11.8) kPa, with a sensitivity of 74.3% and specificity of 78.3%. For F3, the cutoff value was determined to be 8.8 (range, 8.1-9.7) kPa, with a sensitivity of 74.0% and specificity of 63.8%. The cutoff value for F4 was 11.7 (range, 7.3-17.5) kPa, with a sensitivity of 84.6% and specificity of 81.5%.

Conclusion

TE can be performed with good diagnostic accuracy for quantifying liver fibrosis in patients with CHB.

SUBMITTER: Chon YE 

PROVIDER: S-EPMC3458028 | biostudies-literature | 2012

REPOSITORIES: biostudies-literature

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Performance of transient elastography for the staging of liver fibrosis in patients with chronic hepatitis B: a meta-analysis.

Chon Young Eun YE   Choi Eun Hee EH   Song Ki Jun KJ   Park Jun Yong JY   Kim Do Young DY   Han Kwang-Hyub KH   Chon Chae Yoon CY   Ahn Sang Hoon SH   Kim Seung Up SU  

PloS one 20120925 9


<h4>Background</h4>Transient elastography (TE), a non-invasive tool that measures liver stiffness, has been evaluated in meta-analyses for effectiveness in assessing liver fibrosis in European populations with chronic hepatitis C (CHC). However, these data cannot be extrapolated to populations in Asian countries, where chronic hepatitis B (CHB) is more prevalent. In this study, we performed a meta-analysis to assess the overall performance of TE for assessing liver fibrosis in patients with CHB.  ...[more]

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