Perioperative medicine & outcomes
Postoperative rehospitalization in older surgical patients: an age-stratified analysis
Authors' conclusion
The oldest (≥ 75) surgical patients had the highest 30-day rehospitalization rates (9.50%).
Study context
- Population
- Adult surgical patients in the ACS NSQIP dataset, 2015–2019
- Participants
- 2,798,486 patients
- Exposure
- Age categories 50-64, 65-74 and 75+ vs 18-49 years
- Outcome
- Incidence of unplanned rehospitalization
- Follow-up
- 30 days
Methodological detailsACS NSQIP registry, competing-risk cumulative incidence (Gray)
- ACS NSQIP registry
- Competing-risk cumulative incidence (Gray)
Main finding
As reported in the abstract
Unplanned 30-day rehospitalization
- Overall unplanned rehospitalization
- 198,542 (7.09%)
Observational data: associations, not effects.
Secondary outcomes
Cause of rehospitalization: digestive system complications
- Digestive system complications were the single most common cause of rehospitalization across age groups
Cause of rehospitalization: surgical site infection
- Surgical site infection was the second most common cause; relative frequency decreased with age
- 21.74%, 19.08%, 15.09%, and 9.44%
- p < .0001
Cause of rehospitalization: circulatory and respiratory complications
- Circulatory complications more common with increasing age
- 2.10%, 4.43%, 6.27%, 8.86%
- Respiratory complications more common with increasing age
- 3.27, 4.51, 6.07, 8.11%
Original publication
Postoperative rehospitalization in older surgical patients: an age-stratified analysis. Perioper Med (Lond). Published 21 June 2023. doi:10.
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