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. 2011 Mar;31(2):180-5.
doi: 10.1097/BPO.0b013e3182093f9f.

Measuring Quality of Life in Children With Early Onset Scoliosis: Development and Initial Validation of the Early Onset Scoliosis Questionnaire

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Measuring Quality of Life in Children With Early Onset Scoliosis: Development and Initial Validation of the Early Onset Scoliosis Questionnaire

Jacqueline Corona et al. J Pediatr Orthop. .

Abstract

Background: Treatment of children with early onset scoliosis (EOS) seeks to improve natural history and health related quality of life (QOL). QOL measurement presents a significant challenge given the young age, comorbidities, and heterogeneity of this population. The purpose of this study is to develop a disease specific measure reflecting issues of importance to EOS patients and caretakers that is responsive to clinical and treatment changes.

Methods: Review of the literature and relevant measures informed development of semistructured qualitative interviews. Interviews of caregivers of EOS patients were interpreted through the framework technique. A masterlist of 75 items was created and responses were scaled on a 5-point Likert scale. Psychometric analysis was carried out to group items into domains, to maintain score distribution, to create a responsive instrument, and to identify question redundancy.

Results: Content validation showed 8 items with low content validity indices (<0.70). Item distribution analysis showed 19 items with skewed distribution. Item reliability showed redundant items within domains (r≥0.5). Construct validity showed unique domains measuring intended issues of interest. The resulting Early Onset Scoliosis Questionnaire (EOSQ) includes 33 items in 13 domains: General Health, Pain, Physical Function, Pulmonary Function, Daily Living, Fatigue, Emotion, Surgical Concerns, Satisfaction, Transfer, Financial Burden, Parental Burden, and Treatment Outcomes.

Conclusions: The EOSQ reflects QOL and caregiver burden in the EOS population. The EOSQ will expand options for outcome assessment in this unique population.

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