Document Detail

Arthrosis of the hip and knee: environmental causes in the first year of life? A study of 1405 cases of arthrosis in north Norway 1984-1989.
MedLine Citation:
PMID:  7669129     Owner:  NLM     Status:  MEDLINE    
The association between month of birth and radiographically diagnosed bilateral arthrosis of the hip and/or knee was studied in 1405 cases at the University Hospital, University of Tromsø. In the total group no association was found in either sex for all arthrosis combined. In women with arthrosis of both hip and knee joints, however, the ratio between observed and expected showed a seasonal trend with a peak in the spring (1.48 for April births) and a low in the autumn and winter (0.39 for November births) (Test for seasonality: X2 = 9.48, d.f. = 2, p < 0.01). Low sunlight exposure prior to a crucial period in skeletal development is suggested as a possible cause.
V Fønnebø
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Arctic medical research     Volume:  54     ISSN:  0782-226X     ISO Abbreviation:  Arctic Med Res     Publication Date:  1995 Jul 
Date Detail:
Created Date:  1995-10-18     Completed Date:  1995-10-18     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  8602204     Medline TA:  Arctic Med Res     Country:  FINLAND    
Other Details:
Languages:  eng     Pagination:  151-4     Citation Subset:  IM    
Institute of Community Medicine, University of Tromsø, Norway.
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MeSH Terms
Arctic Regions / epidemiology
Knee Joint
Middle Aged
Norway / epidemiology
Osteoarthritis / epidemiology*,  etiology
Osteoarthritis, Hip / epidemiology,  etiology

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