Retrospective Study
Copyright ©The Author(s) 2018.
World J Gastrointest Oncol. Feb 15, 2018; 10(2): 62-70
Published online Feb 15, 2018. doi: 10.4251/wjgo.v10.i2.62
Table 1 ABC (D) stratification
H. pylori antibody level-++ (-)
PG levels--+
Table 2 Confusion matrix for the first stage
Predicted class
H. pylori non-infectionH. pylori infection
True classGroup A979151
Group B or C (D)102868
Table 3 Confusion matrix for the second stage
Predicted class
True classGroup B331177
Group C (D)98364