Document Detail


Prevalence and sex difference of lumbar disc space narrowing in elderly chinese men and women: osteoporotic fractures in men (Hong Kong) and osteoporotic fractures in women (Hong Kong) studies.
MedLine Citation:
PMID:  23335175     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
OBJECTIVE: Osteoporotic Fractures in Men (Hong Kong) and Osteoporotic Fractures in Women (Hong Kong) represent the first large-scale prospective population-based studies on bone health in elderly (age≥65 years) Chinese men (n=2,000) and women (n=2,000). We undertook the current study to investigate the prevalence of lumbar disc space narrowing in these subjects, and to identify the potential relationship between disc space narrowing and sex, bone mineral density (BMD), and other demographic and clinical data.
METHODS: On lumbar lateral radiographs, L1/L2-L4/L5 disc space was classified into 4 categories: 0=normal; 1=mild narrowing; 2=moderate narrowing; 3=severe narrowing. We compared demographic and clinical data between subjects with and those without total disc space narrowing scores≥3.
RESULTS: Disc space narrowing was more common in elderly women than in elderly men. The mean±SD disc space narrowing score for the 4 discs was 2.71±2.21 for men and 3.08±2.50 for women (P<0.0001). For the 3 age groups of 65-69 years, 70-79 years, and ≥80 years, the average disc space narrowing score increased with increasing age in both men and women, and to a greater degree in women than in men. The average disc space narrowing score differences between women and men were 0.12, 0.40, and 0.90, respectively, in the 3 age groups. For both men and women, a disc space narrowing score≥3 was associated with older age, higher spine and hip BMD, low back pain, and restricted leg mobility.
CONCLUSION: The prevalence and severity of disc space narrowing are higher in elderly women than in elderly men. With increasing age, disc space narrowing progresses at a greater rate in women than in men. A disc space narrowing score≥3 is associated with higher spine and hip BMD.
Authors:
Yi-Xiang J Wang; James F Griffith; Xian-Jun Zeng; Min Deng; Anthony W L Kwok; Jason C S Leung; Anil T Ahuja; Timothy Kwok; Ping Chung Leung
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Publication Detail:
Type:  Journal Article; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Arthritis and rheumatism     Volume:  65     ISSN:  1529-0131     ISO Abbreviation:  Arthritis Rheum.     Publication Date:  2013 Apr 
Date Detail:
Created Date:  2013-04-04     Completed Date:  2013-05-22     Revised Date:  2014-04-02    
Medline Journal Info:
Nlm Unique ID:  0370605     Medline TA:  Arthritis Rheum     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1004-10     Citation Subset:  AIM; IM    
Copyright Information:
Copyright © 2013 by the American College of Rheumatology.
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MeSH Terms
Descriptor/Qualifier:
Absorptiometry, Photon
Aged
Aged, 80 and over
Asian Continental Ancestry Group
Bone Density*
Female
Hip / radiography
Hong Kong
Humans
Intervertebral Disc Degeneration / ethnology*,  radiography
Intervertebral Disc Displacement / ethnology*,  radiography
Lumbar Vertebrae / radiography
Male
Osteoporosis / ethnology*,  radiography
Prevalence
Prospective Studies
Sex Factors
Spine / radiography
Grant Support
ID/Acronym/Agency:
R01 AR049439/AR/NIAMS NIH HHS; R01-AR-049439-01A1/AR/NIAMS NIH HHS
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