Fig. 3. Comparison of the reflux symptom index (RSI) between pre- and post-antireflux surgery (ARS) in multichannel intraluminal impedance-pH (MII-pH) ON proton pump inhibitor (PPI) group and MII-pH OFF PPI group. NS, not significant. *P < 0.05.
© J Neurogastroenterol Motil
