Retrospective Study
Copyright ©The Author(s) 2022.
World J Gastroenterol. Feb 28, 2022; 28(8): 853-867
Published online Feb 28, 2022. doi: 10.3748/wjg.v28.i8.853
Figure 5
Figure 5 Pepsinogen I, II and I/II ratio according to the severity of gastroesophageal reflux disease. aP < 0.0033 compared to normal; bP < 0.001 compared to non-erosive reflux disease. NERD: Non-erosive reflux disease; LA: Los Angeles.