Diagnosis of drug resistance to fluoroquinolones, amikacin, capreomycin, kanamycin and ethambutol with genotype MTBDRsl assay: A meta-analysis

ISSN: 15508080
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Abstract

Background. The Genotype MTBDRsl is a new-generation PCR-based line-probe assay for rapid identification of the resistance to the second-line antituberculosis drugs with a single strip. The aim of this meta-analysis was to evaluate the performance of Genotype MTBDRsl in detecting drug resistance to fluoroquinolones, amikacin, capreomycin, kanamycin and ethambutol in comparison with the phenotypic drug susceptibility test. Design. We searched Pubmed, Embase and the Cochrane Library and calculated the sensitivity, the specificity, the positive likelihood ratio (PLR), negative likelihood ratio (NLR), diagnostic odds ratio (DOR), corresponding 95% confidence interval (CI), and the area under the summary receiver operating characteristic (SROC) curves (AUC), and tested heterogeneity in accuracy estimates with the Spearman correlation coefficient and Chi-square. Results. The summarized sensitivity (95% CI), specificity (95% CI), and AUC (standard error) were 0.869 (0.847-0.890), 0.973 (0.965-0.979) and 0.9690 (0.0188) for fluoroquinolones, 0.868 (0.829-0.900), 0.998 (0.994-0.999) and 0.9944 (0.0050) for amikacin, 0.879 (0.838-0.914), 0.970 (0.958-0.978) and 0.9791 (0.0120) for capreomycin, 0.501 (0.461-0.541), 0.991 (0.983-0.996) and 0.9814 (0.0114) for kanamycin and 0.686 (0.663-0.709), 0.871 (0.852-0.888) and 0.7349 (0.0639) for ethambutol, respectively. Conclusion. The genotype MTBDRsl demonstrate excellent accuracy for detecting drug resistance to fluoroquinolones, amikacin, and capreomycin, but it may not be an appropriate choice for detection of kanamycin and ethambutol.

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Mao, X., Ke, Z., Shi, X., Liu, S., Tang, B., Wang, J., & Huang, H. (2015). Diagnosis of drug resistance to fluoroquinolones, amikacin, capreomycin, kanamycin and ethambutol with genotype MTBDRsl assay: A meta-analysis. Annals of Clinical and Laboratory Science, 45(5), 533–544.

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