Table 1. Reflux Finding Score (RFS).

Pseudosulcus	0 = absent; 2 = present
Ventricular obliteration	0 = no; 2 = partial; 4 = total
Erythema/hyperemia	0 = no; 2 = arytenoids; 4 = diffuse
Edema of the vocal cords	0 = no; 1 = medium; 2 = moderate; 3 = severe; 4 = polypoid
Diffuse laryngeal edema	0 = no; 1 = medium; 2 = moderate; 3 = severe; 4 = obstructive
Hypertrophy of posterior commissure	0 = no; 1 = medium; 2 = moderate; 3 = severe; 4 = obstructive
Granuloma/granulation	0 = absent; 2 = present
Dense endolaryngeal mucous	0 = absent; 2 = present