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Table 1 Performance of metagenomic next-generation sequencing (mNGS) and conventional testing in diagnosis of mixed pulmonary infection

From: Metagenomic next-generation sequencing for mixed pulmonary infection diagnosis

Diagnostic testing

Sensitivity % (95% CI)

Specifificity % (95% CI)

PPV % (95% CI)

NPV % (95% CI)

Conventional laboratory-based diagnostic testing

13.9 (5.2–31.0)

94. (71.9–99.7)

83.3 (36.5–99.1)

36.7 (23.8–51.7)

mNGS

97.2 (83.8–99.9)

63.2 (38.6–82.8)

83.3 (68.0–92.5)

92.3 (62.1–99.6)

  1. Abbreviations: PPV positive predictive value, NPV negative predictive value, CI confidence interval