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AHRQ Research Studies
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Research Studies is a compilation of published research articles funded by AHRQ or authored by AHRQ researchers.
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1 to 3 of 3 Research Studies DisplayedDanielson EC, Li W, Suleiman L
Social risk and patient-reported outcomes after total knee replacement: implications for Medicare policy.
The objective of this study was to determine if county- or patient-level social risk factors are associated with patient-reported outcomes after total knee replacement when added to the comprehensive joint replacement risk-adjustment model. Patient and outcomes data from the Function and Outcomes Research for Comparative Effectiveness in Total Joint Replacement cohort were merged with the CDC Social Vulnerability Index. The findings indicated that patient-reported race, education, and income were associated with patient-reported pain or functional scores; pain improvement was negatively associated with Black race and positively associated with higher annual incomes. The authors concluded that these findings suggested that patient-level social factors warrant further investigation to promote health equity in patient-reported outcomes after total knee replacement.
Citation: Danielson EC, Li W, Suleiman L .
Social risk and patient-reported outcomes after total knee replacement: implications for Medicare policy.
Health Serv Res 2024 Feb; 59(1):e14215. doi: 10.1111/1475-6773.14215.
Keywords: Surgery, Orthopedics, Medicare, Outcomes, Patient-Centered Outcomes Research, Social Determinants of Health
Bass AR, Mehta B, Szymonifka J
Racial disparities in total knee replacement failure as related to poverty.
The authors sought to determine whether racial disparities in total knee replacement (TKR) failure are explained by poverty. Linking New York state patients to residential census tracts by geocoded addresses, they found that there was a trend toward higher TKR revision risk in blacks, but poverty did not modify the relationship between race and TKR revision or failure.
AHRQ-funded; HS016075.
Citation: Bass AR, Mehta B, Szymonifka J .
Racial disparities in total knee replacement failure as related to poverty.
Arthritis Care Res 2019 Nov;71(11):1488-94. doi: 10.1002/acr.24028..
Keywords: Disparities, Racial and Ethnic Minorities, Low-Income, Surgery, Orthopedics, Social Determinants of Health
Goodman SM, Mandi LA, Mehta B
Does education level mitigate the effect of poverty on total knee arthroplasty outcomes?
The authors assessed the interaction between education and poverty on 2-year Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) pain and function. They found that having no college was associated with worse pain and function at baseline and 2 years and that living in a poor neighborhood was associated with worse 2-year pain and function. There was a strong interaction between individual education and community poverty with WOMAC scores at 2 years. Patients without college living in poor communities had pain scores that were ~10 points worse than those with some college; in wealthy communities, college was associated with a 1-point difference in pain. Function was similar. The authors recommended further study on how education protects those in impoverished communities.
AHRQ-funded; HS016075.
Citation: Goodman SM, Mandi LA, Mehta B .
Does education level mitigate the effect of poverty on total knee arthroplasty outcomes?
Arthritis Care Res 2018 Jun;70(6):884-91. doi: 10.1002/acr.23442..
Keywords: Arthritis, Education, Low-Income, Orthopedics, Outcomes, Patient-Centered Outcomes Research, Social Determinants of Health