Key result
Primary care service areas with higher concentrations of patients with 2-3 or ≥4 chronic conditions had significantly higher hospital readmission rates compared to areas with 0-1 chronic conditions.
Why the study?
Are hospital readmission rates higher in areas where more patients with multiple chronic conditions cluster?
Cross-Sectional
Yes
Are hospital readmission rates higher in areas where more patients with multiple chronic conditions cluster?
Areas with a higher concentration of patients with multiple chronic conditions have significantly higher hospital readmission rates, highlighting the impact of population comorbidity burden on healthcare utilization.
Higher multimorbidity concentrations signal elevated readmission risk; leaves open whether area-level interventions reduce utilization.
RESEARCH OBJECTIVE: This study examines small area variations in readmission rates to assess whether higher readmission rate in an area is associated with higher clusters of patients with multiple chronic conditions. STUDY DESIGN: The study uses hospital discharge data of adult (18+) patients in 6 U.S. states for 2009 from the Healthcare Cost and Utilization Project of the Agency for Healthcare Research and Quality, linked to contextual and provider data from Health Resources and Services Administration. A multivariate cross sectional design at primary care service area (PCSA) level is used. PRINCIPAL FINDINGS: Adjusting for area characteristics, the readmission rates were significantly higher in PCSAs having higher proportions of patients with 2-3 chronic conditions and those with 4+ chronic conditions, compared with areas with a higher concentration of patients with 0-1 chronic conditions. CONCLUSIONS: Using small area analysis, the study shows that areas with higher concentration of patients with increased comorbid conditions are more likely to have higher readmission rates.
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Basu et al. (2015) conducted a cross-sectional in Multiple chronic conditions. Higher concentration of patients with 2-3 or ≥4 chronic conditions vs. Higher concentration of patients with 0-1 chronic conditions was evaluated on Readmission rates at primary care service area level. Primary care service areas with higher concentrations of patients with 2-3 or ≥4 chronic conditions had significantly higher hospital readmission rates compared to areas with 0-1 chronic conditions.
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