Serum p53 Antibody Is Not Associated with p53 Immunoreactivity in Patients with Pancreatobiliary Cancers

Table 4

Detection of p53 antibody, CEA, and CA19-9.

	Pancreatic cancer
	Sensitivity	Specificity	PPV^*1	NPV^*2	FPR^*3	FNR^*4	Accuracy
p53 antibody	0.0%	83.8%	0.0%	42.6%	16.1%	100.0%	39.3%
CEA	42.8%	93.5%	88.2%	59.1%	6.4%	57.1%	66.6%
CA19-9	85.7%	90.3%	90.9%	84.8%	9.6%	10.6%	87.8%

∗1PPV: positive predictive value.
∗2NPV: negative predictive value.
∗3FPR: false positive rate.
∗4FNR: false negative rate.