Influence of capsaicin infusion on secondary peristalsis in patients with gastroesophageal reflux disease

Figure 1 Influence of capsaicin-containing red pepper sauce on heartburn symptom. A: Capsaicin infusion induces a significant increase in the visual analog scale for heartburn symptom when compared with saline (P < 0.001); B: The visual analog scale for heartburn symptom is significantly decreased by repeated capsaicin infusion than first session of capsaicin infusion (P = 0.003). Values are expressed as mean ± SE of the mean. Line represents the mean value.