Evidence map›Paper›PMID 18438196›Full record

ArticleMedical care2008

Exploring the determinants of racial and ethnic disparities in total knee arthroplasty: health insurance, income, and assets.

Amresh D Hanchate, Yuqing Zhang, David T Felson, Arlene S Ash

Abstract read
In one paragraph

Article in Medical care, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 44 papers, 3 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
44citing papers in PubMed, 3 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

44 citing papers in PubMed, 3 syntheses or guidelines pooled it.

  1. Pooled it
  2. Pooled it
  3. Pooled it
  4. Do patient race and sex change surgeon recommendations for TKA?Clinical orthopaedics and related research · 2015
    Trial
  5. Article
  6. Article
  7. Article
  8. Article
  9. Article
  10. Article
  11. Advancing Aging Research Through a Health Disparities Perspective.The journals of gerontology. Series A, Biological sciences and medical sciences · 2024
    Article
  12. Review
  13. Article
  14. Article
  15. Review
  16. Article
  17. Racial/Ethnic and Socioeconomic Disparities in Osteoarthritis Management.Rheumatic diseases clinics of North America · 2021
    Review
  18. Article
  19. Article
  20. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

4 authors.

Amresh D HanchateSection of General Internal Medicine, Boston University School of Medicine, Boston, Massachusetts 01532, USA. hanchate@bu.edu
Yuqing Zhang
David T Felson
Arlene S Ash

Funding

WORK DISABILITY-- PERSONS WITH RHEUMATOID ARTHRITISP60AR047785 · NIAMS · BOSTON UNIVERSITY MEDICAL CAMPUS · PI FELSON, DAVID TOBIN · 2001 to 2016
$18.0M
NIAMS NIH HHS AR47785NIAMS NIH HHS P60 AR047785
6 · The paper itself

Abstract

objectiveTo estimate national total knee arthroplasty (TKA) rates by economic factors, and the extent to which differences in insurance coverage, income, and assets contribute to racial and ethnic disparities in TKA use. DATA SOURCE: US longitudinal Health and Retirement Study survey data for the elderly and near-elderly (biennial rounds 1994-2004) from the Institute of Social Research, University of Michigan. STUDY

designThe outcome is dichotomous, whether the respondent received first TKA in the previous 2 years. Longitudinal, random-effects logistic regression models are used to assess associations with lagged economic indicators. SAMPLE: Sample was 55,469 person-year observations from 18,439 persons; 663, with first TKA.

resultsRacial/ethnic disparities in TKA were more prominent among men than women. For example, relative to white women, odds ratios (ORs) were 0.94, 0.46, and 0.79, for white, black, and Hispanic men, respectively (P < 0.05 for black men). After adjusting for economic factors, racial/ethnic differences in TKA rates for women essentially disappeared, while the deficit for black men remained large. Among Medicare-enrolled elderly, those with supplemental insurance may be more likely to have first TKA compared with those without it, whether the supplemental coverage was private [OR: 1.27; 95% confidence interval (CI): 0.82-1.96] or Medicaid (OR: 1.18; 95% CI: 0.93-1.49). Among the near-elderly (age 47-64), compared with the privately insured, the uninsured were less likely (OR: 0.61; 95% CI: 0.40-0.92) and those with Medicaid more likely (OR: 1.53; 95% CI: 1.03-2.26) to have first TKA.

conclusionsLimited insurance coverage and financial constraints explain some of the racial/ethnic disparities in TKA rates.

Indexed as

IncomeAgedAged, 80 and overArthroplasty, Replacement, KneeComorbidityEthnicityFemaleHealthcare DisparitiesHumansInsurance, HealthLogistic ModelsLongitudinal StudiesMaleMiddle AgedSex DistributionSocioeconomic Factors

Identifiers

PMID18438196
PMCPMC2758246

What OpenQuestion holds

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.