Retrospective Study
Copyright ©2014 Baishideng Publishing Group Inc.
World J Gastroenterol. Aug 14, 2014; 20(30): 10495-10503
Published online Aug 14, 2014. doi: 10.3748/wjg.v20.i30.10495
Table 3 Method-dependent accuracy rates and tests of significance (proximal vs distal stenosis) with respect to the localization of bile duct stenosis n (%)
MethodStenosis (localization)Accuracy95%CIP value
(prox. vs distal)
IDUSProximal28 (100)100-1000.419
Distal165 (89)85-94
ETPProximal13 (46)28-650.275
Distal93 (62)55-70
IDUS + ETPProximal28 (100)100-1000.505
Distal167 (90)86-95
EUSProximal16 (57)39-75< 0.0001
Distal147 (79)74-85
CTProximal25 (89)79-1000.09
Distal132 (71)65-78