Extensive Atrophic Gastritis Increases Intraduodenal Hydrogen Gas

Table 1

Intragastric and intraduodenal hydrogen levels in relation to endoscopic findings.

	Gastric ulcer	Duodenal ulcer	Gastritis
Number of patients	51	24	569
Age	64.5±13.5	44.8±10.7	61.4±12.5
Male/female	34/17	18/6	156/413
Stomach (ppm)	6.1±8.9	6.5±12.4	8.7±16.5
P values v.s.^*	.13	.26	^*
Duodenum(ppm)	22.2±70.5	5.6±6.8	12.8±58.1
P values v.s.^**	.12	^**	.27