Rapid Communication
Copyright ©2006 Baishideng Publishing Group Co.
World J Gastroenterol. May 21, 2006; 12(19): 3088-3091
Published online May 21, 2006. doi: 10.3748/wjg.v12.i19.3088
Table 1 Intragastric hydrogen and methane levels in relation to endoscopic findings
Gastric ulcerDuodenal ulcerPostoperative stomachOthers
No.of patients381512404
H2 (ppm)6.8 ± 10.7*10.9 ± 17.211.0 ± 13.98.2 ± 16.9
P values vs**0.150.140.31
CH4 (ppm)3.7 ± 5.63.7 ± 3.68.1 ± 12.6**3.4 ± 4.1
P values vs**0.0470.1**0.0002