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Table 5 Diagnostic values of different methods with a fourfold or greater increase of IgG antibody titers in paired sera as the gold standard

From: Mycoplasma pneumoniae as a causative agent of community-acquired pneumonia in children: clinical features and laboratory diagnosis

  Sensitivity (%) Specificity (%) PPV (%) NPV (%) PLR
Serology (IgM antibodies) 81.82 100.00 100.00 97.30  
RT-PCR 81.82 98.61 90.00 97.26 58.91
Culture 81.82 100.00 100.00 97.30  
  1. Date are presented as percentage.
  2. RT-PCR: real-time polymerase chain reaction; PPV: positive predictive value; NPV: negative predictive value; PLR: positive likelihood ratio.