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

Table 6

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

	Pancreatobiliary cancer
	Sensitivity	Specificity	PPV^*1	NPV^*2	FPR^*3	FNR^*4	Accuracy
p53 antibody	0.0%	83.8%	0.0%	35.6%	16.1%	100.0%	33.3%
CEA	74.0%	93.5%	90.9%	90.9%	6.4%	57.4%	62.8%
CA19-9	87.2%	90.3%	93.1%	93.1%	9.6%	12.7%	88.4%

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