Table 1: Demographics and baseline characteristics.

ParametersControl group Group AGroup BGroup CGroup D

Patients number28408184027216

Mean age (range)50.2 ±18.946.9±17.847.9±17.753±18.765±15.6

Male (%)46.545546462.5

Body mass index29.729.529.529.428.6

Active smokers (%)47.277.775.388.875

Alcohol consumers (%)3.743.44.118.7

Use of statins (%)15.88.66.49.76.2

Use of NSAIDS (%)27.134.232.137.525

Use of PPI (%)4669687963

Presence of hiatal hernia (%)28.540.941.545.843.7