- Clinical diagnosis of sleep apnea based on single night of polysomnography vs. two nights of polysomnographyNegar Ahmadi
Sleep Research Unit, Toronto Western Research Institute, University Health Network, ON, Canada
Sleep Breath 13:221-6. 2009..The purpose of this study was to investigate apnea-hypopnea index (AHI) across two polysomnographies (PSGs) to examine AHI variability and impact on clinical diagnosis...
- The Berlin questionnaire for sleep apnea in a sleep clinic population: relationship to polysomnographic measurement of respiratory disturbanceNegar Ahmadi
Department of Psychiatry, Toronto Western Hospital, ON, Canada
Sleep Breath 12:39-45. 2008..Due to the low sensitivity and specificity as well as the large number of false negatives and positives, the Berlin questionnaire is not an appropriate instrument for identifying patients with sleep apnea in a sleep clinic population...