From: Role of portal color Doppler ultrasonography as noninvasive predictive tool for esophageal varices in cirrhotic patients
Child classification
Group 1A
(n = 67)
Group 1B
(n = 33)
Test of significance
p Value
A:31
13(19.4%)
18(54.5%)
χ2 test
0.001*
B:33
23(34.3%)
10(30.3%)
14.86
C:36
31(46.3%)
5(15.2%)