Endoscopic Laryngeal Findings in Japanese Patients with Laryngopharyngeal Reflux Symptoms

Table 2

Mean scores for pretreatment endoscopic findings (𝑛=73).

Endoscopic findings	Total (𝑛=73)	RPZ (𝑛=60)	Control (𝑛=13)	𝑃-value
Infraglottic edema with pseudosulcus formation	0.39	0.40	0.35	0.776
Laryngeal mucosa edema	0.52	0.50	0.62	0.471
Posterior commissure hypertrophy	0.83	0.88	0.62	0.106
Granulation formulation	0.15	0.17	0.08	0.362
Thick endolaryngeal mucous	0.22	0.23	0.15	0.523
Redness in the intra-arythenoid medial wall	0.49	0.53	0.31	0.153
Mucous pooling in the pyriform sinus	0.43	0.43	0.42	0.968
Total	3.02	3.13	2.54	0.258