Research Article
Transtympanic Electrocochleography for the Diagnosis of Ménière's Disease
Table 4
Formula for calculating the diagnostic power of the two subjective tests, respectively, as compared with the diagnosis based on ECochG measures.
| |||||||||||||||||||||||||||||||
Sensitivity = a/(a+c). Specificity = d/(b+d). Positive predictive value = a/(a+b). Negative predictive value = d/(c+d). |