Table 1.

Demographic and clinical characteristics in the two groups at baseline

	Group		p-value
	A 10 (47.62%)	B 11 (52.38%)
Age (years)	54 (41 : 75)	56 (39 : 76)	0.7509
Males	5	6	0.8210
Risk factors
LDS	9	8	0.1810
Alcohol overconsumption	2 (20%)	2 (18.18%)	0.9999
Tabacco smoking	1 (10%)	2 (18.18%)	0.9999
GERD	5 (50%)	7 (63.64%)	0.6699
H.pylori infection	2 (20%)	0 (0%)	0.2143