Hearing loss, asymmetric: Sensitivity and Specificity

Introduction: None written. Excerpt from the entry in Acoustic neuroma:
In this study, 5% of patients with an acoustic neuroma had normal or symmetric hearing. Abnormal hearing was defined as an interaural difference of > or =15 dB at a single frequency or > or =10 dB at two or more frequencies, and an interaural speech reception threshold difference of > or =20 dB, or a speech discrimination score of > or =20%