Key result
Low socioeconomic status markers, such as living alone, were associated with a small increased risk of readmission due to cardiovascular disease within 90 days after total hip arthroplasty.
Why the study?
Patients undergoing total hip arthroplasty face increased cardiovascular disease risk, and socioeconomic status affects cardiovascular disease, but whether low socioeconomic status is associated with higher 90-day cardiovascular readmission risk after total hip arthroplasty in universal healthcare settings was unclear.
Does low socioeconomic status increase the 90-day risk of cardiovascular events in patients undergoing total hip arthroplasty?
Cohort (n=103,286)
Does low socioeconomic status increase the 90-day risk of cardiovascular events in patients undergoing total hip arthroplasty?
Low socioeconomic status markers, such as living alone, low education, low income, and low liquid assets, are associated with a slightly increased 90-day risk of cardiovascular readmission following total hip arthroplasty.
Answers are grounded in this paper and cite their sources.
Low SES may flag modestly elevated 90-day CVD readmission risk after THA; should not change practice and leaves open need for confirmatory trials.
BACKGROUND AND PURPOSE: Patients receiving a total hip arthroplasty (THA) are subsequently at an increased risk of cardiovascular disease (CVD). Further, socioeconomic status (SES) has an effect on CVD. We evaluated whether low SES is associated with a higher risk of readmission due to CVD after THA within 90 days in a setting with universal tax-supported healthcare. PATIENTS AND METHODS: We performed a nationwide population-based cohort study using Danish health registries from 1995 to 2017. Individual-based information on SES markers (cohabitation, education, income, and liquid assets) was obtained for all participants. The outcome was any hospital-treated CVD. The data was transformed using the pseudo-observation method to enable an estimation of the adjusted risk ratios (RRs) with 95% confidence intervals (CI) for each marker using generalized linear regression. RESULTS: Among 103,286 THA patients, 452 were hospitalized with CVD within 90 days after surgery. Low SES seemed to be associated with a small increased risk of CVD, as the RRs for any CVD were 1.1 (95% CI 0.7-1.7) for patients living alone vs. cohabiting, 1.3 (CI 0.7- .3) for low education vs. high, 1.4 (CI 0.8-2.6) for low income vs. high, and 1.3 (CI 0.8-2.1) for low liquid assets vs. high. CONCLUSION: Living alone, low education, low income, and low liquid assets seem to be associated with a small increased risk of readmission due to CVD 90 days after THA. Wide confidence intervals in risk should be considered when interpreting the study results.
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Edwards et al. (2022) conducted a cohort in Total hip arthroplasty (THA) (n=103,286). Low socioeconomic status (e.g., living alone) vs. High socioeconomic status (e.g., cohabiting) was evaluated on Any hospital-treated cardiovascular disease (CVD) within 90 days (RR 1.1, 95% CI 0.7-1.7). Low socioeconomic status markers, such as living alone, were associated with a small increased risk of readmission due to cardiovascular disease within 90 days after total hip arthroplasty.
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