Endoscopic Laryngeal Findings in Japanese Patients with Laryngopharyngeal Reflux Symptoms

Table 5

Pre- and post-treatment endoscopic findings in patients with a total score ≥ 4 from the RPZ group (𝑛=24).

Endoscopic findings	Pretreatment	Post-treatment	𝑃-value
Infraglottic edema with pseudosulcus formation	0.58	0.38	0.203
Laryngeal mucosa edema	0.79	0.65	0.307
Posterior commissure hypertrophy	1.10	0.96	0.166
Granulation formulation	0.29	0.29	1.000
Thick endolaryngeal mucous	0.54	0.17	0.017
Redness in the intra-arythenoid medial wall	0.83	0.73	0.396
Mucous pooling in the pyriform sinus	0.63	0.42	0.135
Total	4.77	3.58	0.0003