Perioperative medicine & outcomes
National Estimates of Short- and Longer-Term Hospital Readmissions After Major Surgery Among Community-Living Older Adults
Authors' conclusion
In this nationally representative cohort study of community-living older US residents, the likelihood of hospital readmissions within 180 days after major surgery was increased among older persons who were frail or had probable dementia
Study context
- Population
- Community-living US residents aged 65 years or older with at least 1 major surgery, 2011–2018 (National Health and Aging Trends Study)
- Participants
- 1,477 residents · 1,780 major operations
- Outcome
- Hospital readmission within 30 and 180 days after major surgery
- Follow-up
- 30 and 180 days
Methodological detailsnationally representative, survey-weighted, linked to CMS records
- Nationally representative
- Survey-weighted
- Linked to CMS records
Main finding
As reported in the abstract
Weighted rates of hospital readmission
Readmission within 30 days, weighted rate
11.6%
95% CI 9.8%–13.6%
Readmission within 180 days, weighted rate
27.6%
95% CI 24.7%–30.7%
Observational data: associations, not effects.
Further findings
180-day readmission by geriatric condition
| HR (95% CI) | ||
|---|---|---|
| FrailtyAge- and sex-adjusted models with death as a competing risk | 2.29 (1.70–3.09) | |
| Probable dementiaAge- and sex-adjusted models with death as a competing risk | 1.58 (1.15–2.18) | |
| 0.20.5125Hazard ratio (log scale) |
Highest 180-day readmission rates (subgroups)
- Aged 90 years or older
- 36.8% (95% CI, 28.3%-46.3%)
- Vascular surgery
- 45.8% (95% CI, 37.7%-54.1%)
- Frailty
- 36.9% (95% CI, 30.8%-43.5%)
- Probable dementia
- 39.0% (95% CI, 30.7%-48.1%)
Original publication
National Estimates of Short- and Longer-Term Hospital Readmissions After Major Surgery Among Community-Living Older Adults. JAMA Netw Open. Published 5 February 2024. doi:10.
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