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Table 3 Comparison of diagnostic values between LBC, Traditional smear and Histopathology

From: Values of different specimen preparation methods for the diagnosis of lung cancer by endobronchial ultrasound guided transbronchial needle aspiration

VariablesSensitivitySpecificityPPVNPVDAP Value
HP, %90.6%100%100%77.1%92.9% 
TS, %84.9%94.3%98.1%64.7%87.0% 
LBC, %80.2%94.7%97.9%61.0%83.8%0.04a
HP + TS, %94.4%100%100%81.1%95.5% 
HP + LBC, %92.8%100%100%76.3%94.2% 
HP + TS + LBC, %96.7%100%100%88.6%97.4%0.62b
  1. HP Histopathology, TS Traditional smears, LBC liquid-based cytology, PPV positive predictive value, NPV negative predictive value, DA diagnostic accuracy
  2. a: Comparison of diagnostic accuracy among three single pathological treatment type
  3. b: Comparison of diagnostic accuracy among combination of the three treatment types and combination of the two treatment types