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  • Title: Associations between quality-of-life and internal or external spinal deformity measurements in adolescent with idiopathic scoliosis (AIS).
    Author: Parent EC, Hill D, Mahood J, Moreau M, Lou E, Raso J.
    Journal: Stud Health Technol Inform; 2006; 123():357-63. PubMed ID: 17108452.
    Abstract:
    In theory, quality-of-life measures should correlate with impairments such as spinal deformity. The goal was to determine the ability of the SRS-22 and surface topography measures to predict internal deformity. Data from 227 females with AIS were collected. Correlations and regression were used to predict Cobb angle or category. In subjects treated conservatively, the Cobb angle correlated with pain, self-image, satisfaction and total score. Only self-image correlated with surface topography. In subjects having had surgery, Cobb angle correlated with self-image, mental health, satisfaction and total scores. The cosmetic score was the only external deformity measure to correlate with the SRS-22. Function, self-image and trunk-twist predicted subjects within 3 categories (Cobb <30 degrees , 30-50 degrees , >50 degrees) with 57% accuracy compared to 53% when using self-image only. Accuracy in predicting subjects with curves smaller or larger than 50 degrees was 79% (using self-image, trunk-twist) or 72% (self-image only). Correlations between quality-of-life and deformity measures were low. However, it was possible to predict subjects within clinically meaningful categories of internal deformity using SRS-22 scores.
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