Endoscopic Laryngeal Findings in Japanese Patients with Laryngopharyngeal Reflux Symptoms

Table 4

Pre- and posttreatment endoscopic findings in the RPZ group (𝑛=60).

Endoscopic findings	Pretreatment	Post-treatment	𝑃-value
Infraglottic edema with pseudosulcus formation	0.40	0.33	0.419
Laryngeal mucosa edema	0.50	0.59	0.268
Posterior commissure hypertrophy	0.88	0.98	0.147
Granulation formulation	0.17	0.18	0.709
Thick endolaryngeal mucous	0.23	0.15	0.279
Redness in the intra-arythenoid medial wall	0.53	0.62	0.273
Mucous pooling in the pyriform sinus	0.43	0.37	0.279
Total	3.13	3.20	0.779