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Paper Information

Journal:   MEDICAL JOURNAL OF THE ISLAMIC REPUBLIC OF IRAN (MJIRI)   2017 , Volume 31 , Number 1; Page(s) 0 To 0.
 
Paper: 

A Comparative study of four Persian versions of sleep questionnaires for screening obstructive sleep apnea syndrome (OSAS)

 
DOI: 

10.14196/mjiri.31.122

 
Author(s):  Kashaninasab Fatemeh, ALAVI KAVEH, FARHADI MOHAMMAD, SALEHI MANSOUR, GHALEH BANDI MIR FARHAD*
 
* Mental Health Research Center, Psychiatric Department, Iran University of Medical Sciences, Tehran, Iran
 
Abstract: 
Background: Diagnosis of obstructive sleep apnea syndrome (OSAS) is valuable, but it is time-consuming and expensive. Appropriate screening instruments help clinicians select high-risk individuals for further investigations. In the present study, we compared 4 popular instruments used in screening OSAS including Berlin, STOP, STOP-BANG questionnaires, and Epworth Sleepiness Scale (ESS). Methods: A total of 250 individuals, who referred to Sleep Laboratory of Shoorideh Hospital (Tehran, Iran) for polysomnography during May 2015 to November 2015, were recruited for this cross-sectional study. In addition to taking history and physical examination, 4 screening instruments including Berlin, STOP, STOP-BANG questionnaires, and ESS were completed. Diagnosis of OSAS was established using apnea-hypopnea index (AHI) in 3 categories of mild, moderate, and severe. Results: Severe OSAS was diagnosed in 159 (63. 6%), moderate OSAS in 43 (17. 2%), and mild OSAS in 41 (16. 4%) of the participants, moreover, AHI was within normal range in the other 7 (2. 8%). To diagnose OSAS with any severity, Berlin questionnaire was a preferable instrument, with a sensitivity of 79. 8% and specificity of 71. 4%, considering the cut-point value of 3. 5. In addition, in cases of severe OSAS, Berlin questionnaire showed superiority over other instruments, with a sensitivity of 80. 5% and specificity of 61. 5% using the cut-point value of 3. 5. Conclusion: None of the 4 instruments are ideal to predict OSAS. However, considering the simplicity and availability of the instruments, Berlin and STOP-BANG questionnaires had maximum diagnostic values that helped us distinguish OSAS and severe OSAS, respectively.
 
Keyword(s): Sleep questionnaires,Obstructive sleep apnea syndrome,Shoorideh Hospital
 
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