Table 3.

The Diagnostic Performance of the Cytological Specimens

Diagnostic performance	Per session				Per pass
	FNB (n=71)	FNA (n=83)	p-value		FNB (n=300)	FNA (n=363)	p-value
Accuracy	79	74	0.46		64	56	0.06
Sensitivity	74	69	0.70		55	49	0.20
Specificity	100	100	1.00		100	100	1.00
PPV	100	100	1.00		100	100	1.00
NPV	48	33	0.30		35	24	0.02

Data are presented as percentage.

FNB, fine needle biopsy; FNA, fine needle aspiration; PPV, positive predictive value; NPV, negative predictive value.