Diagnostic Yield of Nucleic Acid Amplification Tests in Oral Samples for Pulmonary Tuberculosis: A Systematic Review and Meta-analysis.

Open Forum Infect Dis

Department of Lab Medicine, Shandong Public Health Clinical Center, Shandong University, Jinan, China.

Published: March 2023

AI Article Synopsis

  • The effectiveness of oral specimen nucleic acid amplification tests (NAATs) for diagnosing pulmonary tuberculosis (PTB) is debated, prompting a systematic review of their diagnostic performance.
  • An analysis of 23 studies showed that NAATs in oral samples have a sensitivity of 50% and a high specificity of 97%, indicating they are better at ruling out PTB than detecting it.
  • The review highlighted significant variability in the results, suggesting that factors like age may influence outcomes, so the findings should be interpreted carefully.

Article Abstract

The diagnostic accuracy of oral specimen nucleic acid amplification tests (NAATs) for pulmonary tuberculosis (PTB) remains controversial. We performed a systematic review according to Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines, including studies that reported the diagnostic yield of NAATs in oral samples for PTB diagnosis. The pooled estimates, including those of sensitivity and specificity, were calculated, and a meta-regression was performed to investigate heterogeneity, which was determined using χ and ² tests. A total of 23 articles were included, and the pooled sensitivity, specificity, and area under the curve of NAATs in oral samples for PTB diagnosis were 50% (95% CI, 37%-63%), 97% (95% CI, 93%-99%), and 0.89 (95% CI, 86%-92%; = 99%; chi-square, 169.61; < .001), respectively. Our data demonstrated that NAATs using oral samples have a less satisfactory sensitivity and high specificity for PTB diagnosis. However, due to significant heterogeneity, such as heterogeneity in age, the results should be interpreted with caution.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10019807PMC
http://dx.doi.org/10.1093/ofid/ofad082DOI Listing

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