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Meta-Analysis
. 2023 Aug 30;18(1):640.
doi: 10.1186/s13018-023-04061-4.

Diagnostic accuracy of positron emission tomography/computerized tomography for periprosthetic joint infection of hip: systematic review and meta-analysis

Hongning Hua  1 , Jinwen Liu  2
Affiliations
Meta-Analysis

Diagnostic accuracy of positron emission tomography/computerized tomography for periprosthetic joint infection of hip: systematic review and meta-analysis

Hongning Hua et al. J Orthop Surg Res. .

Erratum in

Abstract

Background: American Academy of Orthopaedic Surgeons (AAOS) has provided the guidelines for diagnosing a patient with periprosthetic joint infection including the use of positron emission tomography/computed tomography (PET/CT). Systematic evidence focussing on periprosthetic joint infection (PJI) of hip is limited, which also contains limited number of studies. Hence, the current study aims to perform a pooled analysis of all studies that have assessed the diagnostic accuracy of PET/CT for PJI of hip.

Methods: Searches were done in PubMed Central, EMBASE, MEDLINE, SCOPUS and Cochrane library until December 2022. Meta-analysis was carried out using random-effects model. With 95% confidence intervals (CIs), pooled sensitivity and specificity were reported.

Results: Twenty-six studies met the inclusion criteria. The pooled sensitivity of PET/CT was 89% (95% CI 84-93%), while the pooled specificity was 86% (95% CI 79-91%). The AUROC was 0.94 (95% CI 0.72-0.99). There was statistically significant heterogeneity (p < 0.001) with I2 value of 96%. The diagnostic odds ratio was 52 (95% CI 26-106). Likelihood ratio positive was 6.5 (95% CI 4.1-10.3) and negative was 0.13 (95% CI 0.08-0.19).

Conclusion: Our study found that PET/CT was found to have higher level of accuracy in terms of sensitivity and specificity. Further large-scale research can help to find answers for such questions and provide final conclusive evidence on the inclusion of the imaging modality into the routine clinical practice guidelines for suspected periprosthetic joint infection patients.

Keywords: Diagnostic accuracy; Meta-analysis; Periprosthetic joint infection; Positron emission tomography.

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Conflict of interest statement

The authors declare that they have no competing interests.

Figures

Fig. 1
Fig. 1
PRISMA flow chart
Fig. 2
Fig. 2
Forest plot showing the sensitivity and specificity of PET/CT for diagnosis of periprosthetic hip joint infection
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Fig. 3
SROC Curve of PET/CT for diagnosis of periprosthetic hip joint infection
Fig. 4
Fig. 4
Likelihood scatter gram
Fig. 5
Fig. 5
Fagan nomogram
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Fig. 6
Meta-regression results
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Fig. 7
Funnel plot
Fig. 8
Fig. 8
Forest plot showing the diagnostic accuracy of Fluoride/gallium PET scan
Fig. 9
Fig. 9
Forest plot showing the diagnostic accuracy of FDG-PET scan
See this image and copyright information in PMC

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