High-risk esophageal varices in patients treated with locoregional therapy for hepatocellular carcinoma: Assessment with liver computed tomography

Table 2 Sensitivity and specificity of liver computed tomography for the detection of high-risk esophageal varices by three observers

	Observer 1	Observer 1	Observer 2	Observer 2	Observer 3	Observer 3	Mean	Mean
	Transverse	3 MPR	Transverse	3 MPR	Transverse	3 MPR	Transverse	3 MPR
Sensitivity%	92.6 (25/27)	92.6 (25/27)	92.6 (25/27)	92.6 (25/27)	85.2 (23/27)	88.9 (24/27)	90.1 (73/81)	91.4 (74/81)
P value	1.000		1.000		1.000		1.000
Specificity%	89.0 (65/73)	90.4 (66/73)	87.7 (64/73)	87.7 (64/73)	82.2 (60/73)	90.4 (66/73)	86.3 (189/219)	89.5 (196/219)
P value	1.000		1.000		0.070		0.039

For sensitivity, the numbers in parentheses are the number of varices assigned a score of 3 or 4 divided by the total number of varices. P values represent the differences of the sensitivity and the specificity for transverse images alone and for the three orthogonal MPR images (McNemar test). MPR: Multiplanar reformation.