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Detection performance of PCR for Legionella pneumophila in environmental samples: a systematic review and meta-analysis.


ABSTRACT:

Background

Legionellosis remains a public health problem. The most common diagnostic method to detect Legionella pneumophila (L. pneumophila) is culture. Polymerase chain reaction (PCR) is a fast and accurate method for this detection in environmental samples.

Methods

Four databases were searched for studies that evaluated the detection efficiency of PCR in L. pneumophila. The quality evaluation was conducted using Review Manager 5.3. We used Meta-DiSc 1.4 software and the Stata 15.0 software to create forest plots, a meta-regression, a bivariate boxplot and a Deeks' funnel plot.

Results

A total of 18 four-fold tables from 16 studies were analysed. The overall pooled sensitivity and specificity of PCR was 94% and 72%, respectively. The positive likelihood ratio (RLR) and negative likelihood ratio (NLR) was 2.73 and 0.12, respectively. The result of the diagnostic odds ratio (DOR) was 22.85 and the area under the curve (AUC) was 0.7884.

Conclusion

Establishing a laboratory diagnostic tool for L. pneumophila detection is important for epidemiological studies. In this work, PCR demonstrated a promising diagnostic accuracy for L. pneumophila.

SUBMITTER: Yin X 

PROVIDER: S-EPMC8934000 | biostudies-literature | 2022 Mar

REPOSITORIES: biostudies-literature

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Detection performance of PCR for Legionella pneumophila in environmental samples: a systematic review and meta-analysis.

Yin Xin X   Chen Ying-Zhou YZ   Ye Qi-Qing QQ   Liao Li-Juan LJ   Cai Zhuo-Rui ZR   Lin Min M   Li Jia-Na JN   Zhang Geng-Biao GB   Peng Xiao-Li XL   Shi Wen-Fang WF   Guo Xu-Guang XG  

Annals of clinical microbiology and antimicrobials 20220318 1


<h4>Background</h4>Legionellosis remains a public health problem. The most common diagnostic method to detect Legionella pneumophila (L. pneumophila) is culture. Polymerase chain reaction (PCR) is a fast and accurate method for this detection in environmental samples.<h4>Methods</h4>Four databases were searched for studies that evaluated the detection efficiency of PCR in L. pneumophila. The quality evaluation was conducted using Review Manager 5.3. We used Meta-DiSc 1.4 software and the Stata 1  ...[more]

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