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Translation and validation of the Arabic version of the sleep-related breathing disorder scale of the pediatric sleep questionnaire (PSQ-SRBD).

BACKGROUND/OBJECTIVES: The incidence of sleep-related breathing disorders is underestimated because polysomnography is required to confirm its diagnosis. The pediatric sleep questionnaire-sleep-related breathing disorder (PSQ-SRBD) scale is a self-reported questionnaire completed by a patient's guardian. There is no validated Arabic version of the PSQ-SRBD that can be used in the Arabic-speaking population. Therefore, we aimed to translate, validate, and culturally adapt the PSQ-SRBD scale. We also aimed to evaluate its psychometric properties for the diagnosis of obstructive sleep apnea (OSA).

METHODS: The cross-cultural adaptation method consisted of the following steps: forward-backward translation, appraisal of a sample of 72 children (aged between 2 and 16 years) by an expert group, and performing Cronbach's alpha coefficient testing, Spearman's rank correlation coefficient testing, Wilcoxon signed-rank testing, and sign testing. The reliability of the Arabic version of the PSQ-SRBD scale was assessed using a test-retest comparison, and a factor analysis of the items was used to verify construct validity. For statistical purposes, p-values <0.05 were considered to indicate significance.

RESULTS: All subscales had adequate internal consistency: 0.799 for snoring and breathing, 0.69 for sleepiness, 0.711 for behavioral problems, and 0.805 for the entire questionnaire. Comparing questionnaire responses administered 2 weeks apart revealed no statistically significant difference in total scores between the two groups (p-values >0.05 by Spearman's rank correlation coefficient test for all domains) and also no statistical difference among 20 out of 22 questions independently (p-value >0.05 by sign test). A factor analysis conducted to assess the structure of the Arabic-SRBD scale revealed good correlational patterns. The mean score before surgery was 0.464 ± 0.166, and this changed to 0.185 ± 0.142 after surgery with a reduction of 0.278 ± 0.184 which was statistically significant (p < 0.001).

CONCLUSION: The Arabic version of the PSQ-SRBD scale is a valid tool for the assessment of pediatric OSA patients and can be used to follow-up patients after surgery. Future research will determine this translated questionnaire's applicability.

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