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. 2019 May 24;14(1):151.
doi: 10.1186/s13018-019-1185-y.

The 2018 new definition of periprosthetic joint infection improves the diagnostic efficiency in the Chinese population

Haitao Guan  1 , Jun Fu  1 , Xiang Li  2 , Wei Chai  1 , Libo Hao  1 , Rui Li  1 , Jing Zhao  3 , Jiying Chen  4
Affiliations

The 2018 new definition of periprosthetic joint infection improves the diagnostic efficiency in the Chinese population

Haitao Guan et al. J Orthop Surg Res. .

Erratum in

Abstract

Background: Periprosthetic joint infection (PJI) is a devastating complication following total joint arthroplasty (TJA). Now, the definition of PJI traditionally used in clinical practice was set out by the International Consensus Meeting (ICM) and Infectious Diseases Society (IDSA). There was a new definition proposed in May 2018 on a paper published in the Journal of Arthroplasty. The new scoring system for PJI demonstrated a higher sensitivity and specificity than Musculoskeletal Infection Society and IDSA criteria. Therefore, we wanted to find further evidence to support the new definition in the Chinese population.

Methods: The patients who were included in our study were divided into PJI group and aseptic group. Medical records of patients (98 in PJI group and 165 in aseptic group) were reviewed, and the score of every patient was aggregated based on the new definition and collected data. The sensitivity and specificity were compared between new definition and classical criteria.

Results: For patients in our hospital, the overall sensitivity and specificity of the new criteria were respectively 94.9% (95% confidence interval [CI] 87.9-98.1%) and 95.2% (95% CI 90.3-97.7%). The new definition demonstrated a higher sensitivity than traditional criteria in Chinese population, and the specificity was similar to existing criteria.

Conclusion: We believe the new scoring system about periprosthetic joint infection could also apply to Chinese population for diagnosing PJI following TJA. It can obviously improve diagnostic efficiency for PJI compared with traditional criteria.

Keywords: Chinese population; Diagnosis; New definition; Periprosthetic joint infection.

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Conflict of interest statement

All authors declare that they have no competing interests.

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