Predictive Value of Adenoid-Nasopharyngeal Ratio in the Diagnosis of Secretory Otitis Media.
Ping LiTao LiLiang YuAiping ChenYisha WuYuzhu WanLi ShiPublished in: Ear, nose, & throat journal (2022)
A/N ratio indirectly reflected the abnormality of tympanometry in this study. When A/N ratio reaches 0.815, patients are at a higher risk of having OME so it could be a predictor of OME in patients with adenoid hypertrophy.