Key result
Admission to hospitals with high post-acute community care scores was associated with a lower risk of 30-day hospital readmission compared to low scores (RR 0.97; 95% CI 0.95-0.98).
Why the study?
Does admission to hospitals with high Senior Care Services Scale scores reduce 30-day readmission or death in Medicare beneficiaries ≥65 years of age?
Cohort (n=3,553,367)
Yes
Does admission to hospitals with high Senior Care Services Scale scores reduce 30-day readmission or death in Medicare beneficiaries ≥65 years of age?
Relative Risk: 0.97 (95% CI 0.95–0.98)
Hospital-level senior services, particularly post-acute community care, are associated with a small reduction in 30-day readmission risk but an increase in mortality among Medicare beneficiaries.
This is a Level 3 Cohort Study (observational).
BACKGROUND: There is a little understanding of the association between hospital organizational characteristics and hospital readmissions. We previously developed a Senior Care Services Scale (SCSS) that describes hospital availability of services relevant to the care of older adults. OBJECTIVE: Determine whether hospitals' SCSS scores were associated with risk of readmission among Medicare beneficiaries. DESIGN: Retrospective cohort analysis. SETTING AND PARTICIPANTS: Medicare beneficiaries ≥65 years of age (n = 3 553 367), admitted to 5568 US acute-care hospitals in 2006, discharged alive. Medicare data were linked to the American Hospital Association database of hospital characteristics. MEASUREMENTS: All-cause non-elective hospital readmission, or death without readmission, within 30 days of hospital discharge. RESULTS: We examined the association between high and low scores of each of two hospital SCSS service groups: inpatient specialty care (IP) and post-acute (PA) community care. There was no association between high IP scores and readmission (RR 1.00, 95% CI 0.98-1.02). Older adults admitted to hospitals with high PA scores had lower risk of experiencing hospital readmission when compared to older adults admitted to hospitals with low PA scores (RR 0.97, 95% CI 0.95-0.98). High PA scores were associated with increased mortality (RR 1.09, 95% CI 1.06-1.13). In sensitivity analyses exploring relationships at 90 days, both the IP and PA subcomponents were associated with older adults' reduced risk of hospital readmission (IP: RR 0.97, 95% CI 0.95-0.99; PA: RR 0.97, 95% CI 0.95-0.99). CONCLUSION: Senior services at the hospital-level represents a modifiable risk factor with important impact. Employing organization-level characteristics in readmission risk prediction tools should be expanded.
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Arbaje et al. (2017) conducted a cohort in Medicare beneficiaries (n=3,553,367). High post-acute (PA) community care scores vs. Low PA scores was evaluated on All-cause non-elective hospital readmission, or death without readmission, within 30 days of hospital discharge (RR 0.97, 95% CI 0.95-0.98). Admission to hospitals with high post-acute community care scores was associated with a lower risk of 30-day hospital readmission compared to low scores (RR 0.97; 95% CI 0.95-0.98).
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