Document Detail


Reliability of a functional classification system in the monitoring of patients with idiopathic scoliosis.
MedLine Citation:
PMID:  17621215     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
STUDY DESIGN: Patients with scoliosis from 1999 to 2001 were monitored using radiographs and the Quantec Spinal Imaging System (Quantec) to validate the Functional Classification System (FCS) developed at Children's Hospital of Wisconsin (CHW). OBJECTIVE: To determine the accuracy of the FCS. SUMMARY OF BACKGROUND DATA: The authors evaluated different noninvasive ways of evaluating the scoliotic spine. The FCS was developed as a means to predict the degree of scoliotic curve. METHODS: Consecutive scoliosis visits (543) seen at CHW between 1999 and 2001 for initial or follow-up examination were investigated; of them, 157 had an radiograph within 6 months of Quantec. Subjects were placed into groups based on Cobb Angles. FCS classifications were compared to Cobb angle groupings and calculated sensitivity and specificity. Pearson's correlation coefficient was calculated for 39 subjects. RESULTS: Sensitivity of the FCS for single curve groups ranged from 0.50 to 0.63 and specificity from 0.64 to 0.86. For double curve, both sensitivity and specificity ranged from 0.48 to 0.81. Pearson's correlation was statistically significant (r = 0.45, P < 0.05). CONCLUSIONS: Sensitivity, specificity, and Pearson's correlation coefficient reflect the reliability of the Quantec method. Therefore, the FCS can be considered as a reliable tool for monitoring the progression of scoliosis with reduced need of radiographs.
Authors:
Stephen S Klos; Xue-Cheng Liu; Roger M Lyon; J Channing Tassone; John G Thometz
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, Non-U.S. Gov't; Validation Studies    
Journal Detail:
Title:  Spine     Volume:  32     ISSN:  1528-1159     ISO Abbreviation:  Spine     Publication Date:  2007 Jul 
Date Detail:
Created Date:  2007-07-10     Completed Date:  2007-08-08     Revised Date:  2009-07-09    
Medline Journal Info:
Nlm Unique ID:  7610646     Medline TA:  Spine (Phila Pa 1976)     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1662-6     Citation Subset:  IM    
Affiliation:
Musculoskeletal Functional Assessment Center, Children's Hospital of Wisconsin, Medical College of WI, Milwaukee, WI 53201, USA.
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MeSH Terms
Descriptor/Qualifier:
Adolescent
Adult
Back / pathology,  physiopathology
Child
Child, Preschool
Disability Evaluation*
Humans
Mass Screening / methods,  statistics & numerical data
Monitoring, Physiologic / methods*,  statistics & numerical data
Photogrammetry / methods*,  standards,  statistics & numerical data
Predictive Value of Tests
Radiology / standards,  statistics & numerical data
Reproducibility of Results
Scoliosis / classification*,  diagnosis*,  physiopathology
Spine / pathology*,  physiopathology

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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