Table II.

pH value and Helicobacter pylori infection rate of the gastric antrum in the different groups.

Group	pH value	H. pylori infection rate (%)
Extreme hot
High bleeding risk	1.93±1.04a	75.68
Low bleeding risk	2.05±1.27	83.78
Extreme cold
High bleeding risk	1.00±0.81a	86.27
Low bleeding risk	1.35±0.93	74.51

^aP<0.05.

pH value is presented as the mean ± standard deviation.