Comparison of weight loss after Roux-en-Y gastric bypass in Helicobacter pylori-negative and Helicobacter pylori eradicated patients during five years follow-ups.

The results of the present study showed that TWL% had no significant difference in HP- and HPe groups during five years follow-ups after RYGB. The %EWL was higher in HPe patients only at 12 months after RYGB and the difference did not persist over time.