Document Detail

Comparative demographics, ROM, and function after TKA in Chinese, Malays, and Indians.
MedLine Citation:
PMID:  23299954     Owner:  NLM     Status:  MEDLINE    
BACKGROUND: There is marked racial disparity in TKA use rates, demographics, and outcomes between white and Afro-Caribbean Americans. Comparative studies of ethnicity in patients undergoing TKAs have been mostly in American populations with an underrepresentation of Asian groups. It is unclear whether these disparities exist in Chinese, Malays, and Indians.
QUESTIONS/PURPOSES: We therefore determined whether (1) TKA use; (2) demographics and preoperative statuses; and (3) functional outcomes at 2 years after TKA differed among three ethnic groups, namely, Chinese, Malays, and Indians who underwent TKA.
METHODS: From our hospital joint registry we identified 5332 patients who had a primary TKA from 2004 to 2009. The cohort was stratified by race and subsequently compared for demographics, preoperative knee ROM, and deformity. At the second postoperative year we determined Knee Society scores, Oxford knee scores, and obtained SF-36 health questionnaires.
RESULTS: Six percent more Chinese patients underwent TKAs compared with Malays or Indians. Malays were operated on at a younger age with a higher body mass index. Chinese patients had more severe preoperative varus deformity. There were no major differences in joint ROM in all races. For Knee Society, Oxford knee, and SF-36 scores, Chinese patients had consistently higher preoperative and postoperative scores. Malays presented with the lowest preoperative scores but had the greatest improvement in scores at followup with postoperative scores similar to Chinese counterparts. Indians had the lowest postoperative scores and worst improvement of all
CONCLUSIONS: The variations in demographics, preoperative statuses, and subsequent postoperative outcomes between the races should be considered when comparing TKA outcome studies in Asian populations.
Wei Ming Siow; Pak Lin Chin; Shi Lu Chia; Ngai Nung Lo; Seng Jin Yeo
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Publication Detail:
Type:  Comparative Study; Journal Article    
Journal Detail:
Title:  Clinical orthopaedics and related research     Volume:  471     ISSN:  1528-1132     ISO Abbreviation:  Clin. Orthop. Relat. Res.     Publication Date:  2013 May 
Date Detail:
Created Date:  2013-04-02     Completed Date:  2013-05-22     Revised Date:  2014-05-07    
Medline Journal Info:
Nlm Unique ID:  0075674     Medline TA:  Clin Orthop Relat Res     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1451-7     Citation Subset:  AIM; IM    
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MeSH Terms
Analysis of Variance
Arthroplasty, Replacement, Knee* / adverse effects
Asian Continental Ancestry Group*
Biomechanical Phenomena
China / ethnology
Disability Evaluation
Healthcare Disparities / ethnology*
India / ethnology
Knee Joint / physiopathology,  surgery*
Malaysia / ethnology
Range of Motion, Articular
Recovery of Function
Retrospective Studies
Singapore / epidemiology
Time Factors
Treatment Outcome

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

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