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

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

Variables	Sensitivity	Specificity	PPV	NPV	DA	P 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%	0.04^a
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%	0.62^b

HP Histopathology, TS Traditional smears, LBC liquid-based cytology, PPV positive predictive value, NPV negative predictive value, DA diagnostic accuracy
^a: Comparison of diagnostic accuracy among three single pathological treatment type
^b: Comparison of diagnostic accuracy among combination of the three treatment types and combination of the two treatment types

ISSN: 1471-2466