Arterial Calcium Stimulation with Hepatic Venous Sampling in the Localization Diagnosis of Endogenous Hyperinsulinism

Table 2

Indices for evaluating diagnostic tests for the detection of insulinoma.

	S	E	PPV	NPV	PR	NR
CT	35.71%	100%	100%	25%		0.64
MRI	16.67%	100%	100%	37.5%	0.83	0.58
Intraoperative US	53.33%	100%	100%	36.36%		0.47
Arteriography	43.75%	100%	100%	35.71%		0.56
ASVS	100%	20%	80%	100%	1.25

CT: computed tomography; MRI: magnetic resonance imaging; intraoperative US: intraoperative ultrasonography; ASVS: intra-arterial calcium stimulation test with hepatic venous sampling; S: sensitivity; E: specificity; PPV: positive predictive value; NPV: negative predictive value; NR: negative likelihood ratio; PR: positive likelihood ratio.