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Sub-grouping patients with non-specific low back pain based on cluster analysis of discriminatory clinical items.
MedLine Citation:
PMID:  23321847     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Objective: To identify potential subgroups amongst patients with non-specific low back pain based on a consensus list of potentially discriminatory examination items. Design: Exploratory study. Participants: A convenience sample of 106 patients with non-specific low back pain (43 males, 63 females, mean age 36 years, standard deviation 15.9 years) and 7 physiotherapists. Methods: Based on 3 focus groups and a two-round Delphi involving 23 health professionals and a random stratified sample of 150 physiotherapists, respectively, a comprehensive examination list comprising the most "discriminatory" items was compiled. Following reliability analysis, the most reliable clinical items were assessed with a sample of patients with non-specific low back pain. K-means cluster analysis was conducted for 2-, 3- and 4-cluster options to explore for meaningful homogenous subgroups. Results: The most clinically meaningful cluster was a two-subgroup option, comprising a small group (n = 24) with more severe clinical presentation (i.e. more widespread pain, functional and sleeping problems, other symptoms, increased investigations undertaken, more severe clinical signs, etc.) and a larger less dysfunctional group (n = 80). Conclusion: A number of potentially discriminatory clinical items were identified by health professionals and sub-classified, based on a sample of patients with non-specific low back pain, into two subgroups. However, further work is needed to validate this classification process.
Authors:
Evdokia Billis; Christopher J McCarthy; Chris Roberts; John Gliatis; Maria Papandreou; George Gioftsos; Jacqueline A Oldham
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-1-16
Journal Detail:
Title:  Journal of rehabilitation medicine : official journal of the UEMS European Board of Physical and Rehabilitation Medicine     Volume:  -     ISSN:  1651-2081     ISO Abbreviation:  J Rehabil Med     Publication Date:  2013 Jan 
Date Detail:
Created Date:  2013-1-16     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101088169     Medline TA:  J Rehabil Med     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Department of Physiotherapy, Branch Department of Aigion, Technological Educational Institute (T.E.I.) of Aigion, Psaron 6, Aigion, 25100, Greece. billis@teilam.gr.
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