Document Detail

Comparison of the University of California-Los Angeles Shoulder Scale and the Simple Shoulder Test with the shoulder pain and disability index: single-administration reliability and validity.
MedLine Citation:
PMID:  10911414     Owner:  NLM     Status:  MEDLINE    
BACKGROUND AND PURPOSE: Shoulder scales are often used to evaluate treatment efficacy, yet little is known about the psychometric properties of these scales. Only one scale has undergone psychometric scrutiny: the Shoulder Pain and Disability Index (SPADI). This study compared 2 shoulder measures-the University of California-Los Angeles (UCLA) Shoulder Scale and the Simple Shoulder Test (SST)-with the SPADI. SUBJECTS: One hundred ninety-two patients with shoulder disorders were recruited from one physician's office to complete the self-report sections of the 3 scales. METHODS: Cronbach alpha values and standard errors of measurement (SEM) were calculated for each of the multi-item subscales. Validity was examined through calculation of correlation coefficients among the 3 scales. Factor analysis was completed to assess the underlying constructs of the SPADI and the SST. RESULTS: Cronbach alpha values ranged from.85 to.95. The SEM values for the multi-item scales ranged from 4.75 to 11.65. Evidence for validity to reflect function was indicated by the correlation between the SST and the SPADI disability subscale. The factor analysis of the SPADI revealed loading on 1 factor, whereas the SST loaded on 2 factors. CONCLUSION AND DISCUSSION: All scales demonstrated good internal consistency, suggesting that all items for each scale measure the same construct. However, the SEMs for all scales were high. Factor loading was inconsistent, suggesting that patients may not distinguish between pain and function.
T S Roddey; S L Olson; K F Cook; G M Gartsman; W Hanten
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Publication Detail:
Type:  Clinical Trial; Comparative Study; Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Physical therapy     Volume:  80     ISSN:  0031-9023     ISO Abbreviation:  Phys Ther     Publication Date:  2000 Aug 
Date Detail:
Created Date:  2000-09-07     Completed Date:  2000-09-07     Revised Date:  2009-11-11    
Medline Journal Info:
Nlm Unique ID:  0022623     Medline TA:  Phys Ther     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  759-68     Citation Subset:  AIM; IM    
School of Physical Therapy, Texas Woman's University, 1130 MD Anderson Blvd, Houston, TX 77030,
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MeSH Terms
Aged, 80 and over
Disability Evaluation*
Middle Aged
Pain Measurement / methods*
Patient Participation
Physical Therapy Modalities / methods*
Range of Motion, Articular
Reproducibility of Results
Sensitivity and Specificity
Severity of Illness Index
Shoulder Joint / physiopathology
Shoulder Pain / diagnosis*,  physiopathology,  rehabilitation

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

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