Expression of Melatonin Synthesizing Enzymes in Helicobacter pylori Infected Gastric Mucosa

Table 1

Characteristics of the subjects enrolled in the study.

Feature/parameters	Subjects
	Healthy volunteers	With asymptomatic H. pylori infection	With symptomatic H. pylori infection
Number of subjects	30	30	30
Age (years)	29.4±8.2	34.6±11.4	30.9±12.6
Gender	F = 13	F = 12	F = 11
	M = 17	M = 18	M = 19
BMI (kg/m^2)	19.6±0.6	23.6±1.1	21.6±1.4
UBT-13C (‰ CO2)	0.9±0.4	23.8±8.3	24.6±16.2
Antral gastritis*	2	29	30
Pangastritis*	—	14	16

∗Grade II according to Sydney criteria.