scholarly journals The role of grey-scale ultrasound in the diagnosis of adhesive capsulitis of the shoulder: a systematic review and meta-analysis

2020 ◽  
Vol 22 (3) ◽  
pp. 305
Author(s):  
Huaiyu Wu ◽  
Hongtian Tian ◽  
Fajin Dong ◽  
Weiyu Liang ◽  
Di Song ◽  
...  
Keyword(s):  
Systematic Review ◽  
Meta Analysis ◽  
Adhesive Capsulitis ◽  
High Sensitivity ◽  
Cochrane Library ◽  
Summary Receiver Operating Characteristic ◽  
Grey Scale ◽  
Magnetic Resonance Imaging Mri ◽  
Sensitivity Specificity

Aims: In this systematic review and meta-analysis, we discuss the value of grey-scale ultrasonography (US) in diagnosing adhesive capsulitis of the shoulder (ACS).Material and methods: We retrieved relevant studies from PubMed, Cochrane Library, and Embase before 8 April 2019. We selected 7 studies concerning 446 patients (490 shoulders) that used grey-scale US to diagnose ACS and magnetic resonance imaging (MRI) or arthroscopy as the reference standard. We assessed the diagnostic accuracy of US on the basis of combined sensitivity, specificity, likelihood ratio (LR), and the area under the summary receiver operating characteristic (SROC) curve (AUC).Results: The combined sensitivity, specificity, positive LR and negative LR were found to be 88% (95%CI: 74–95), 96% (95%CI: 88–99), 23.89 (95%CI: 6.31–90.51) and 0.12 (95%CI: 0.05–0.29), respectively. The AUC was 0.97 (95%CI: 0.96–0.98). ACS was diagnosed on the basis of four US features: coracohumeral ligament thickening, inferior capsule/axillary recess capsule thickening, rotator interval abnormality, and restriction of the range of motion. The corresponding sensitivities were 64.4 (95%CI: 48.8–78.1), 82.1 (95%CI: 73.8–88.7), 82.6 (95%CI: 74.1–89.2) and 94.3 (95%CI: 84.3–98.8), respectively, and specificities were 88.9 (95%CI: 76.0–96.3), 95.7 (95%CI: 90.3–98.6), 93.9 (95%CI: 89.8–96.7), and 90.9 (95%CI: 75.7–98.1), respectively.Conclusions: Our meta-analysis showed that grey-scale US plays a significant role in the diagnosis of ACS. Because of its high sensitivity and specificity, US can be added to the existing clinical diagnosis program.

scholarly journals Circulating long noncoding RNAs as potential biomarkers for stomach cancer: a systematic review and meta-analysis

2021 ◽  
Vol 19 (1) ◽  
Author(s):  
Fang Cao ◽  
Yongwei Hu ◽  
Zaichang Chen ◽  
Wei Han ◽  
Weijie Lu ◽  
...  
Keyword(s):  
Systematic Review ◽  
Stomach Cancer ◽  
Noncoding Rna ◽  
Meta Analysis ◽  
Area Under The Curve ◽  
Cochrane Library ◽  
Clinical Value ◽  
Summary Receiver Operating Characteristic ◽  
Link Type ◽  
Sensitivity Specificity

Abstract Background Recent researches have suggested that long noncoding RNA (lncRNA) is involved in the tumorigenesis and development of stomach cancer (SC). This meta-analysis aimed to identify the diagnostic performance of circulating lncRNAs in SC. Methods All relevant studies were systematically searched through PubMed, Web of Science, Cochrane Library, and EMBASE databases. The diagnostic values of lncRNAs were mainly assessed by pooled sensitivity, specificity, and summary receiver operating characteristic area under the curve (SROC AUC). Meta-DiSc 1.4, Review Manager 5.3, and STATA 12.0 were used for statistical analysis. The protocol for this systematic review was registered on INPLASY (INPLASY202120079) and is available in full on the inplasy.com (10.37766/inplasy2021.2.0079). Results A total of 42 eligible studies were included in this meta-analysis. The pooled sensitivity, specificity, and SROC AUC were 0.78 (95%CI 0.75–0.81), 0.75 (95%CI 0.71–0.78), and 0.83 (95%CI 0.80–0.86), respectively, suggesting that the lncRNAs test had a high accuracy for the diagnosis of SC. Obvious heterogeneity might come from the type of lncRNA through subgroup and meta-regression analysis. Fagan diagram shows the clinical value of lncRNAs test in SC. Conclusions Abnormal expression of circulating lncRNAs exhibits a high efficacy for diagnosing SC, which is promising in clinical application.

scholarly journals Diagnostic accuracy of sonography for pleural effusion: systematic review

2010 ◽  
Vol 128 (2) ◽  
pp. 90-95 ◽  
Author(s):  
Alexandre Grimberg ◽  
David Carlos Shigueoka ◽  
Álvaro Nagib Atallah ◽  
Sergio Ajzen ◽  
Wagner Iared
Keyword(s):  
Systematic Review ◽  
Pleural Effusion ◽  
Meta Analysis ◽  
High Sensitivity ◽  
Sao Paulo ◽  
Cochrane Library ◽  
São Paulo ◽  
Thoracic Drainage ◽  
Sensitivity Specificity ◽  
Based Medicine

CONTEXT AND OBJECTIVE: The initial method for evaluating the presence of pleural effusion was chest radiography. Isolated studies have shown that sonography has greater accuracy than radiography for this diagnosis; however, no systematic reviews on this matter are available in the literature. Thus, the aim of this study was to evaluate the accuracy of sonography in detecting pleural effusion, by means of a systematic review of the literature. DESIGN AND SETTING: This was a systematic review with meta-analysis on accuracy studies. This study was conducted in the Department of Diagnostic Imaging and in the Brazilian Cochrane Center, Discipline of Emergency Medicine and Evidence-Based Medicine, Department of Medicine, Universidade Federal de São Paulo (Unifesp), São Paulo, Brazil. METHOD: The following databases were searched: Cochrane Library, Medline, Web of Science, Embase and Literatura Latino-Americana e do Caribe em Ciências da Saúde (Lilacs). The references of relevant studies were also screened for additional citations of interest. Studies in which the accuracy of sonography for detecting pleural effusion was tested, with an acceptable reference standard (computed tomography or thoracic drainage), were included. RESULTS: Four studies were included. All of them showed that sonography had high sensitivity, specificity and accuracy for detecting pleural effusions. The mean sensitivity was 93% (95% confidence interval, CI: 89% to 96%), and specificity was 96% (95% CI: 95% to 98%). CONCLUSIONS: In different populations and clinical settings, sonography showed consistently high sensitivity, specificity and accuracy for detecting fluid in the pleural space.

scholarly journals The diagnostic value of EBV-DNA and EBV-related antibodies detection for nasopharyngeal carcinoma: a meta-analysis

2021 ◽  
Vol 21 (1) ◽  
Author(s):  
Weixing Liu ◽  
Gui Chen ◽  
Xin Gong ◽  
Yingqi Wang ◽  
Yaoming Zheng ◽  
...  
Keyword(s):  
Nasopharyngeal Carcinoma ◽  
Test Performance ◽  
Meta Analysis ◽  
Diagnostic Value ◽  
Cochrane Library ◽  
Control Group ◽  
Summary Receiver Operating Characteristic ◽  
Ebv Dna ◽  
The Difference ◽  
Sensitivity Specificity

Abstract Background Numerous individual studies have investigated the diagnostic value of EBV-DNA, EA-IgA, VCA-IgA, EBNA1-IgA and Rta-IgG detection for nasopharyngeal carcinoma (NPC), but the conclusions remain controversial. This meta-analysis aimed to determine the value of EBV-DNA, EA-IgA, VCA-IgA, EBNA1-IgA and Rta-IgG detection in the diagnosis of NPC. Methods PROSPERO registration number: CRD42019145532. PubMed, EMBASE, Cochrane Library, and Chinese data libraries (Wanfang, CNKI, and CBM) were searched up to January 2019. The pooled sensitivity, specificity, and positive likelihood, negative likelihood, and diagnostic odds ratios were conducted in this meta-analysis. Summary receiver operating characteristic curves evaluated the test-performance global summary. Publication bias was examined by Deek’s funnel plot asymmetry test. Results Forty-seven studies with 8382 NPC patients (NPC group) and 15,089 individuals without NPC (Control group) were included in this meta-analysis. The sensitivity, specificity, positive likelihood (+ LR), negative likelihood (-LR), DOR and AUC of EBV-DNA in diagnosis of NPC were: 0.76 (95% CI 0.73–0.77), 0.96 (95% CI 0.95–0.97), 14.66 (95% CI 9.97–21.55), 0.19 (95% CI 0.13–0.28), 84 (95% CI 50.45–139.88), 0.96 (SE: 0.001), and 0.55 (95% CI 0.54–0.57), 0.96 (95% CI 0.96–0.97), 12.91 (95% CI 9.55–17.45), 0.35 (95% CI 0.29–0.43), 39.57 (95% CI 26.44–59.23), 0.94 (SE: 0.002) for the EA-IgA, and 0.85 (95% CI 0.84–0.85), 0.89 (95% CI 0.88–0.89), 6.73 (95% CI5.38–8.43), 0.17 (95% CI 0.12–0.23), 43.03 (95% CI 31.51–58.76), 0.93 (SE: 0.007) for the VCA-IgA, and 0.86 (95% CI 0.85–0.88), 0.87 (95% CI 0.88–0.90), 7.55 (95% CI 5.79–9.87), 0.16 (95% CI 0.13–0.19), 50.95 (95% CI 34.35–75.57), 0.94 (SE: 0.008) for the EBNA1-IgA, and 0.70 (95% CI 0.69–0.71), 0.94 (95% CI 0.94–0.95), 9.84 (95% CI 8.40–11.54), 0.25 (95% CI 0.21–0.31), 40.59 (95% CI 32.09–51.35), 0.95 (SE: 0.005) for the Rta-IgG. The EBV-DNA had larger AUC compared with other EBV-based antibodies (P < 0.05), while the difference between EA-IgA, VCA-IgA, EBNA1-IgA and Rta-IgG was not statistically significant (P > 0.05). Conclusions EBV-DNA, VCA-IgA, EBNA1-IgA and Rta-IgG detection have high accuracy in early diagnosis NPC. In addition, EBV-DNA detection has the higher diagnosis accuracy in NPC. On the other hand, EA-IgA is suitable for the diagnosis but not NPC screening.

scholarly journals Prognostic Role of miR-221 and miR-222 Expression in Cancer Patients: A Systematic Review and Meta-Analysis

Cancers ◽  
2019 ◽  
Vol 11 (7) ◽  
pp. 970 ◽  
Author(s):  
Gloria Ravegnini ◽  
Sarah Cargnin ◽  
Giulia Sammarini ◽  
Federica Zanotti ◽  
Justo Lorenzo Bermejo ◽  
...  
Keyword(s):  
Systematic Review ◽  
Cancer Patients ◽  
Meta Analysis ◽  
Fine Tuning ◽  
High Expression ◽  
Cochrane Library ◽  
Published Data ◽  
Significant Heterogeneity ◽  
Free Survival

Background: A wealth of evidence has shown that microRNAs (miRNAs) can modulate specific genes, increasing our knowledge on the fine-tuning regulation of protein expression. miR-221 and miR-222 have been frequently identified as deregulated across different cancer types; however, their prognostic significance in cancer remains controversial. In view of these considerations, we performed an updated systematic review and meta-analysis of published data investigating the effects of miR-221/222 on overall survival (OS) and other secondary outcomes among cancer patients. A systematic search of PubMed, Web of Knowledge, and Cochrane Library databases was performed. Hazard ratios (HRs) and 95% confidence intervals (95% CIs) were used to assess the strength of association. Results: Fifty studies, analyzing 6086 patients, were included in the systematic review. Twenty-five studies for miR-221 and 17 studies for miR-222 which assessed OS were included in the meta-analysis. High expression of miR-221 and miR-222 significantly predicted poor OS (HR: 1.48, 95% CI: 1.14–1.93, p = 0.003 and HR: 1.90, 95% CI: 1.43–2.54, p < 0.001, respectively). Subgroup analysis revealed that the finding on miR-221 was not as robust as the one on miR-222. Furthermore, high miR-222 expression was also associated with worse progression-free survival and disease-free survival pooled with recurrence-free survival. Conclusions: The meta-analysis demonstrated that high expression of miR-222 is associated with poor prognosis in cancer patients, whereas the significance of miR-221 remains unclear. More work is required to fully elucidate the role of miR-221 and miR-222 in cancer prognosis, particularly in view of the limitations of existing results, including the significant heterogeneity and limited number of studies for some cancers.

scholarly journals Incidence of intraspinal abnormalities in congenital scoliosis: a systematic review and meta-analysis

2020 ◽  
Vol 15 (1) ◽  
Author(s):  
Xudong Wang ◽  
Yangke Yu ◽  
Ningning Yang ◽  
Lei Xia
Keyword(s):  
Systematic Review ◽  
Meta Analysis ◽  
Tethered Cord ◽  
Congenital Scoliosis ◽  
Cochrane Library ◽  
Resonance Imaging ◽  
R Software ◽  
Dural Ectasia ◽  
Magnetic Resonance Imaging Mri

Abstract Objective This is the first systematic review and meta-analysis on the overall incidence of intraspinal abnormalities in patients with congenital scoliosis (CS) and potential influencing factors. Methods We searched three large electronic databases (PubMed, EMBASE, and Cochrane Library) for potentially relevant studies. The quality of the included studies was assessed independently by two authors using the Methodological Index for Non-Randomized Studies (MINORS) criteria. Data on the number of CS patients, number of CS patients with intraspinal abnormalities, sex of the patients, and CS types were extracted from the included studies. R software was used to pool and analyze all the extracted data. Results This meta-analysis included 10 articles, and 671 of 1863 CS patients undergoing magnetic resonance imaging (MRI) examinations were identified to have intraspinal abnormalities. The overall incidence of intraspinal abnormalities in the patients with CS was 37% (95% CI, 29–45%). Diastematomyelia was the most common intraspinal abnormality and was detected in 45.60% of the patients with intraspinal abnormalities (306/671). The remaining intraspinal abnormalities included syringomyelia (273/671, 40.69%), tethered cord (190/671, 28.32%), low conus (58/671, 8.64%), intraspinal mass (39/671, 5.81%), Chiari malformation (32/671, 4.77%), fatty filum (27/671, 4.02%), spina bifida (occulta excluded) (17/671, 2.53%), tumor (17/671, 2.53%), cyst (12/671, 1.79%), syringomyelus (4/671, 0.60%), dural ectasia (1/671, 0.15%), and undiagnosed cord MRI hyperintensity (1/671, 0.15%). The patient’s sex and CS type were not factors that affected the incidence of intraspinal abnormalities in CS patients (all P > 0.05). Conclusions This meta-analysis revealed that the overall incidence of intraspinal abnormalities detected by MRI in CS patients was 37%. Diastematomyelia was the most common intraspinal abnormality. The patient’s sex and CS type were not factors that affected the incidence of intraspinal abnormalities in CS patients.

PP9 A systematic review and meta-analysis of pre-hospital diagnostic accuracy studies

2019 ◽  
Vol 36 (1) ◽  
pp. e4.2-e4
Author(s):  
Caitlin Wilson ◽  
Clare Harley ◽  
Stephanie Steels
Keyword(s):  
Systematic Review ◽  
Diagnostic Accuracy ◽  
Meta Analysis ◽  
High Sensitivity ◽  
Eligibility Criteria ◽  
Cochrane Database ◽  
Full Text Review ◽  
Hospital Doctors ◽  
Diagnostic Sensitivity And Specificity ◽  
Sensitivity Specificity

BackgroundPre-hospital clinicians are involved in examining, treating and diagnosing patients. The accuracy of pre-hospital diagnoses is evaluated using diagnostic accuracy studies. We undertook a systematic review of published literature to provide an overview of how accurately pre-hospital clinicians diagnose patients compared to hospital doctors. A bivariate meta-analysis was incorporated to examine the range of diagnostic sensitivity and specificity.MethodsWe searched MEDLINE, CINAHL, Embase, AMED and the Cochrane Database of Systematic Reviews from 1946 to 7th May 2016 for studies where patients had been given a diagnosis by pre-hospital clinicians and hospital doctors. Key words focused on study type (‘diagnostic accuracy’), outcomes (sensitivity, specificity, likelihood ratio?, predictive value?) and setting (paramedic*, pre-hospital, ambulance, ‘emergency service?’, ‘emergency medical service?’, ‘emergency technician?’). The sole researcher screened titles and abstracts to ensure eligibility criteria were met, as well as assessing methodological quality using QUADAS-2.Results2941 references were screened by title and/or abstract. Eleven studies encompassing 3 84 985 patients were included after full-text review. The types of diagnoses in one of the studies encompassed all possible diagnoses and in the other studies focused on sepsis, stroke and myocardial infarction. Sensitivity estimates ranged from 32%–100% and specificity estimates from 14%–100%. Eight of the studies were deemed to have a low risk of bias and were incorporated into a meta-analysis, which showed a pooled sensitivity of 0.74 (0.62, 0.82) and a pooled specificity of 0.94 (0.87, 0.97).ConclusionsCurrent published research suggests that diagnoses made by pre-hospital clinicians have high sensitivity and even higher specificity. However, the paucity and varying quality of eligible studies indicates that further pre-hospital diagnostic accuracy studies are warranted especially in the field of non-life-threatening conditions and trauma.

scholarly journals Prognostic Role of Tissue and Circulating MicroRNA-200c in Malignant Tumors: a Systematic Review and Meta-Analysis

2015 ◽  
Vol 35 (3) ◽  
pp. 1188-1200 ◽  
Author(s):  
Yingjie Shao ◽  
Yiting Geng ◽  
Wendong Gu ◽  
Jin Huang ◽  
Honglei Pei ◽  
...  
Keyword(s):  
Systematic Review ◽  
Malignant Tumors ◽  
Early Stage ◽  
Meta Analysis ◽  
Cochrane Library ◽  
Circulating Microrna ◽  
Prognostic Role ◽  
Altered Expression ◽  
High Level

Background: Recently, many studies have shown that microRNAs (miRNA) exhibit altered expression in various cancers and may serve as prognostic biomarkers. We performed a systematic review and meta-analysis to evaluate the prognostic role of miR-200c expression in different cancers. Methods: Studies were recruited by searching PubMed, Embase and the Cochrane Library (last search update was May 2014) and assessed by further quality evaluation. Results: A total of 25 studies dealing with various carcinomas were identified for systematic review. Among them, 18 studies were ultimately included in the meta-analysis. Our results indicated that the expression of tissue miR-200c was not associated with OS and PFS in various carcinomas; however, downregulation of tissue miR-200c did predict poor OS of patients with stage I disease (HR=0.41, 95% CI 0.25-0.68, P=0.001). Furthermore, overexpression of blood miR-200c was significantly related to poor OS and PFS (HR=3.07 95% CI 1.58-5.96 P=0.001, HR=2.26 95% CI 1.66-3.08 P<0.001, respectively), especially in patients with advanced disease. Conclusion: This systematic review and meta-analysis clarified that low expression of miR-200c in primary tissue was significantly associated with poor survival in cancer patients at early stage, whereas a high level of blood miR-200c predicted poor prognosis in patients with advanced tumors.

scholarly journals Diagnostic performance of ultrasound for rotator cuff tears: a systematic review and meta-analysis

2020 ◽  
Vol 22 (2) ◽  
pp. 197 ◽  
Author(s):  
Weiyu Liang ◽  
Huaiyu Wu ◽  
Fajin Dong ◽  
Hongtian Tian ◽  
Jinfeng Xu
Keyword(s):  
Rotator Cuff ◽  
Likelihood Ratio ◽  
Diagnostic Performance ◽  
High Efficiency ◽  
Meta Analysis ◽  
High Sensitivity ◽  
Diagnostic Odds Ratio ◽  
Rotator Cuff Tears ◽  
Cochrane Library ◽  
Summary Receiver Operating Characteristic

Aim: Rotator cuff (RC) tears are considered to be the main reason for shoulder pain. Although ultrasound is a useful method to detect it, its effectiveness when diagnosing RC tears has been a heated discussion. Therefore, we aimed at evaluating RC tears’ ultrasound accuracy by conducting a systemically review and pooled comprehensive analysis.Materials and methods: Relevant articles up to May 2018 were searched from the Cochrane Library, Embase, and Pubmed databases. Either arthroscopy or magnetic resonance imaging (MRI) was considered as a reference standard. The results were estimated by pooled-sensitivity (P-SEN), pooled-specificity (P-SPE), pooled-diagnostic odds ratio (P-DOR), pooled-likelihood ratio+ (PLR+), pooled-likelihood ratio- (P-LR-), and the area under the summary receiver operating characteristic (SROC).Result: We selected seven prospective studies in accordance with the inclusion criteria that covered 554 rotator cuff tears in 868 patients. The P-SEN, P-SPE, P-LR+, P-LR-, P-DOR, area under the SROC curve of diagnostic performance of ultrasound for RC and post-test probability were 95% (95% CI: 88 – 98), 72% (95% CI: 61 – 81), 3.41 (95% CI: 2.40 – 4.84), 0.08 (95% CI: 0.03 – 0.16), 45.31 (95% CI: 21.04 – 97.59), 89% (95% CI: 0.86 – 0.91), and 46% and 2%, respectively.Conclusion: Our metaanalysis demonstrates that ultrasound has a high efficiency for RC tears’ diagnosis. It can be a promising method in patients with suspected RC tears because of its high sensitivity, specificity and diagnostic accuracy.

scholarly journals HPV infection and endometriosis: a systematic review and meta-analysis

2019 ◽  
Vol 31 (4) ◽  
pp. 138-142
Author(s):  
Geilson Gomes de Oliveira ◽  
José Eleutério ◽  
Renata Mírian Nunes Eleutério
Keyword(s):  
Systematic Review ◽  
Bacterial Infections ◽  
Meta Analysis ◽  
Hpv Infection ◽  
Cochrane Library ◽  
Sexually Transmitted ◽  
Unexposed Control ◽  
Relative Risks ◽  
Search Terms

Introduction: Recent research has focused on the role of persistent ascending bacterial infections and sexually transmitted infections (STI) as a factor associated to endometriosis. Indeed, some studies investigated the possible role of HPV in endometriosis, but this topic remains inconclusive. Objective:The present study aims to meta-analyze research that assessed the presence of HPV infection in patients with endometriosis. Methods: MEDLINE, Embase, Scopus, LILACS, Cochrane Library, and OpenGrey were searched until February 10th, 2020. Search terms included “endometriosis” and “HPV” without language restrictions. The combined relative risks and 95% confidence interval (95%CI) were calculated, and heterogeneity was assessed with I-square (I2 ). Results: Meta-analysis with low heterogeneity found a relative risk of twice as much in women exposed to HPV in relation to the unexposed control. Conclusion: Results indicate that HPV could be a risk factor for developing endometriosis.

scholarly journals Metagenomic next generation sequencing for the diagnosis of tuberculosis meningitis: A systematic review and meta-analysis

PLoS ONE ◽  
2020 ◽  
Vol 15 (12) ◽  
pp. e0243161
Author(s):  
Guocan Yu ◽  
Wuchen Zhao ◽  
Yanqin Shen ◽  
Pengfei Zhu ◽  
Hong Zheng
Keyword(s):  
Systematic Review ◽  
Next Generation Sequencing ◽  
Early Diagnosis ◽  
Meta Analysis ◽  
Characteristic Curve ◽  
Extrapulmonary Tuberculosis ◽  
Cochrane Library ◽  
Next Generation ◽  
Summary Receiver Operating Characteristic ◽  
Generation Sequencing

Background Tuberculous meningitis (TBM) is a severe form of extrapulmonary tuberculosis and its early diagnosis is very difficult leading to present with severe disability or die. The current study aimed to assess the accuracy of metagenomic next generation sequencing (mNGS) for TBM, and to identify a new test for the early diagnosis of TBM. Methods We searched for articles published in Embase, PubMed, Cochrane Library, China National Knowledge Infrastructure, and Wanfang Data up to June 30, 2020 for studies that assessed the efficacy of mNGS for the diagnosis of TBM. Then, the accuracy between mNGS and a composite reference standard (CRS) in these articles was compared using the meta-analysis approach. Results Four independent studies with 342 samples comparing mNGS and a CRS were included in this study. The sensitivity of mNGS for TBM diagnosis ranged from 27% to 84%. The combined sensitivity of mNGS was 61%, and the I2 value was 92%. Moreover, the specificity of mNGS for TBM diagnosis ranged from 96% to 100%. The combined specificity of mNGS was 98%, and the I2 value was 74%. The heterogeneity between studies in terms of sensitivity and specificity was significant. The area under the curve (AUC) of the summary receiver operating characteristic curve (SROC) of mNGS for TBM was 0.98. Conclusions The sensitivity of mNGS for TBM diagnosis was moderate. Furthermore, the specificity was extremely high, and the AUC of the SROC indicated a very good diagnostic efficacy. mNGS could be used as an early diagnostic method for TBM, however, the results should be treated with caution for the heterogeneity between studies was extremely significant. Systematic review registration INPLASY202070100.

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