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Original ArticleOpen Access
Reliability and Validity of a Thai Version of the Berlin Questionnaire in Patients with Sleep Disordered Breathing
Suksakorn S 
,
Rattanaumpawan P ,
Banhiran W ,
Cherakul N ,
Chotinaiwattarakul W
,
Rattanaumpawan P ,
Banhiran W ,
Cherakul N ,
Chotinaiwattarakul W Objective: To assess the validity and test-retest reliability of a Thai version of the Berlin Questionnaire in patients with sleep disorder breathing.
Martial and Method: Patients who were suspected of sleep disordered breathing attending the outpatient department of Siriraj Hospital and who had undergone polysomnography were recruited and asked to complete a Thai version of the Berlin questionnaire. Each participant was asked to repeat the same questionnaire over the next 2-4 weeks for test-retest reliability.
Results: One hundred and thirty-two patients completed the present study. The age range of the patients was 26-72 years (mean, 48.15+8.80 years). All 10 items of the Thai version of the Berlin questionnaire were moderately correlated in internal consistency (Cronbach’s alpha correlation coefficient = 0.68). The test-retest reliability of the Thai version of the Berlin questionnaire was investigated in 98 patients and demonstrated a high degree of reliability in intra class correlation (ICC = 0.97).
Conclusion: The present study reveals, for the first time, that the Thai version of the Berlin questionnaire has satisfactory validity and reliability when compared to the original English version.
Keywords: Obstructive sleep disordered breathing, Obstructive sleep apnea, Berlin questionnaire, Thai version of Berlin questionnaire
Martial and Method: Patients who were suspected of sleep disordered breathing attending the outpatient department of Siriraj Hospital and who had undergone polysomnography were recruited and asked to complete a Thai version of the Berlin questionnaire. Each participant was asked to repeat the same questionnaire over the next 2-4 weeks for test-retest reliability.
Results: One hundred and thirty-two patients completed the present study. The age range of the patients was 26-72 years (mean, 48.15+8.80 years). All 10 items of the Thai version of the Berlin questionnaire were moderately correlated in internal consistency (Cronbach’s alpha correlation coefficient = 0.68). The test-retest reliability of the Thai version of the Berlin questionnaire was investigated in 98 patients and demonstrated a high degree of reliability in intra class correlation (ICC = 0.97).
Conclusion: The present study reveals, for the first time, that the Thai version of the Berlin questionnaire has satisfactory validity and reliability when compared to the original English version.
Keywords: Obstructive sleep disordered breathing, Obstructive sleep apnea, Berlin questionnaire, Thai version of Berlin questionnaire
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