Document Detail

American Medical Association Impairment Ratings and Earnings Losses Due to Disability.
MedLine Citation:
PMID:  23392178     Owner:  NLM     Status:  Publisher    
OBJECTIVES:: To examine the association between impairment ratings and earnings losses. METHODS:: We conducted a case-control study of 21,663 workers' compensation claimants in California with impairment ratings under the AMA Guides, fifth edition. Earnings losses represented the percent difference between the earnings of cases and controls 3 years after disability onset. RESULTS:: Impairment ratings were strongly associated with earnings losses: losses for ratings of 1, 10, and 20 were 9.0%, 21.9%, and 34.6%, respectively (P < 0.01). Losses differed significantly across body regions. For example, losses were 21.0% for spine impairments compared with 18.4% overall (P = 0.014). CONCLUSIONS:: Impairment ratings are accurate predictors of disability severity on average, but their ability to measure disability could be improved with additional information on how the relationship between ratings and earnings loss varies according to patient and injury characteristics.
Seth A Seabury; Frank Neuhauser; Teryl Nuckols
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-2-6
Journal Detail:
Title:  Journal of occupational and environmental medicine / American College of Occupational and Environmental Medicine     Volume:  -     ISSN:  1536-5948     ISO Abbreviation:  J. Occup. Environ. Med.     Publication Date:  2013 Feb 
Date Detail:
Created Date:  2013-2-8     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9504688     Medline TA:  J Occup Environ Med     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
From the RAND Corporation (Dr Seabury), Santa Monica, CA; UC Berkeley (Mr Neuhauser), Berkeley, CA; and RAND Corporation and Division of General Internal Medicine and Health Services Research (Dr Nuckols), Department of Medicine, David Geffen School of Medicine at UCLA, Los Angeles, CA.
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