Table 1. The summary of the detailed characteristics of the study subjects for H. pylori infected and non-infected groups. UBT and GBT correspond to the urea breath test and glucose breath test respectively.

Parameters	H. pylori infected (mean ± SD)	H. pylori non-infected (mean ± SD)	p Value
AGE	38.91 ± 10.43	39.19 ± 9.68	0.73
HbA1c	5.13 ± 0.12	5.1 ± 0.1	0.07
13C-UBT (30 min)	18.12 ± 12.93	0.67 ± 0.64	<0.001
13C-GBT (45 min)
δDOB13C‰	52.70 ± 3.71	26.34 ± 3.16	<0.001
δDOB18O‰	4.29 ± 2.03	−1.41 ± 1.53	<0.01
12C-GBT (45 min)
δDOB13C‰	3.36 ± 0.93	−0.04 ± 1.21	<0.01
δDOB18O‰	3.11 ± 0.63	−0.22 ± 0.97	<0.01