. Author manuscript; available in PMC: 2014 Aug 1.

Published in final edited form as: Mod Pathol. 2013 Jul 26;27(2):262–270. doi: 10.1038/modpathol.2013.146

Table 3.

Sensitivity, specificity, positive, and negative predictive values for pancreatic and lung adenocarcinomas

	Sensitivity (%)	Specificity (%)	PPV (%)	NPV (%)
Mucious PDAC metastases
KRAS mutation	80	54	53	81
CK20 +	65	72	77	59
CDX2 +	63	94	94	63
Mucinous lung primaries
KRAS G12C	39	95	88	62
TTF-1 +	76	96	94	83
Napsin A +	33	100	100	81
KRAS mutated lung primaries
KRAS G12C	44	96	96	41
KRAS mutated PDAC
KRAS G12R	15	99	86	74

Abbreviations: NPV, negative predictive value; PDAC, pancreatic ductal adenocarcinoma; PPV, positive predictive value.