Efficacy of Endoscopic Radiofrequency Ablation for Treatment of Reflux Hypersensitivity: A Study Based on Rome IV Criteria

Figure 5

Correlations between symptoms and the positive cell density of TRPV1 and CGRP. TRPV1 was moderately and highly correlated with heartburn (a) and chest pain (c), but not regurgitation (b), respectively. However, CGRP was not significantly related to any symptoms (d–f).

(a)

(b)

(c)

(d)

(e)

(f)