Noninvasive Versus Histologic Detection of Gastric Atrophy in a Hispanic Population in North America  David Y. Graham, Zhannat Z. Nurgalieva, Hala M.T. El-Zimaity, Antone R. Opekun, Armando Campos, Leoncio Guerrero, Alfredo Chavez, Victor Cardenas  Clinical Gastroenterology and Hepatology  Volume 4, Issue 3, Pages 306-314 (March 2006) DOI: 10.1016/j.cgh.2005.11.003 Copyright © 2006 American Gastroenterological Association Institute Terms and Conditions

Figure 1 The biopsy sites are shown both in a diagram and as representative endoscopic pictures. Clinical Gastroenterology and Hepatology 2006 4, 306-314DOI: (10.1016/j.cgh.2005.11.003) Copyright © 2006 American Gastroenterological Association Institute Terms and Conditions

Figure 2 The age-weighted increase in gastric antral and corpus atrophy is shown. Clinical Gastroenterology and Hepatology 2006 4, 306-314DOI: (10.1016/j.cgh.2005.11.003) Copyright © 2006 American Gastroenterological Association Institute Terms and Conditions

Figure 3 Box plots showing the inverse relationship between the severity of corpus atrophy and the ratio of serum (S)-PGI to PGII. Clinical Gastroenterology and Hepatology 2006 4, 306-314DOI: (10.1016/j.cgh.2005.11.003) Copyright © 2006 American Gastroenterological Association Institute Terms and Conditions

Figure 4 GastroPanel algorithm for detection of antral and corpus atrophy among those with negative anti–H pylori (Hp) IgG. Clinical Gastroenterology and Hepatology 2006 4, 306-314DOI: (10.1016/j.cgh.2005.11.003) Copyright © 2006 American Gastroenterological Association Institute Terms and Conditions

Figure 5 GastroPanel algorithm for detection of antral and corpus atrophy among those with positive anti–H. pylori (Hp) IgG. Clinical Gastroenterology and Hepatology 2006 4, 306-314DOI: (10.1016/j.cgh.2005.11.003) Copyright © 2006 American Gastroenterological Association Institute Terms and Conditions

Figure 6 The accuracy of the PGI:PGII ratio or detecting corpus atrophy is shown in relation to different cutoff values. The area under the receiver-operator characteristic curve was 0.763 (95% CI, 0.69–0.82). Clinical Gastroenterology and Hepatology 2006 4, 306-314DOI: (10.1016/j.cgh.2005.11.003) Copyright © 2006 American Gastroenterological Association Institute Terms and Conditions