Brief Article
Copyright ©2012 Baishideng Publishing Group Co.
World J Gastroenterol. Sep 21, 2012; 18(35): 4905-4911
Published online Sep 21, 2012. doi: 10.3748/wjg.v18.i35.4905
Table 3 Positive predictive value and negative predictive value of liver computed tomography for the detection of high-risk esophageal varices by three observers
Observer 1Observer 1Observer 2Observer 2Observer 3Observer 3AllAll
Transverse3 MPRTransverse3 MPRTransverse3 MPRTransverse3 MPR
PPV %75.8 (25/33)78.1 (25/32)73.5 (25/34)73.5 (25/34)63.9 (23/36)77.4 (24/31)70.9 (73/103)76.3 (74/97)
P value0.9471.0000.3520.482
NPV%97.0 (65/67)97.1 (66/68)97.0 (64/66)97.0 (64/66)93.8 (60/64)95.7 (66/69)95.9 (189/197)96.6 (196/203)
P value1.0001.0000.7100.797