Perioperative medicine & outcomes
Nonfatal self-injury in the first year after surgery: a population-based epidemiologic study
Authors' conclusion
Select patient groups were more susceptible to NFSI after surgery.
Study context
- Population
- Adults (≥18 yr) undergoing a broad range of surgical procedures in New York state, 2016–2018
- Participants
- 1,165,881 adults
- Exposure
- Surgery vs percutaneous coronary interventions and cataract procedures
- Surgeryn = 1,165,881
- Outcome
- ED presentation or hospitalisation for NFSI
- Follow-up
- Within 365 days of discharge from the index surgical admission
Methodological detailslinked administrative databases, doubly robust estimation, Cox models
- Linked administrative databases
- Doubly robust estimation
- Cox models
Main finding
As reported in the abstract
NFSI incidence · within the year after surgery
Surgery
7.07 per 10 000 patients
824 of 1 165 881
Percutaneous coronary interventions
4.88 per 10 000
Cataract
1.52 per 10 000
Adjusted hazard ratio (95% CI)
Surgery vs Percutaneous coronary interventions
1.55(1.06–2.27)
Surgery vs Cataract
1.48(1.04–2.09)
Observational data: associations, not effects.
Further findings
Risk factors for nonfatal self-injury (NFSI) after surgery
- Younger age, White race, lower income, rural residence, previous psychiatric history, and nonelective surgery
Original publication
Nonfatal self-injury in the first year after surgery: a population-based epidemiologic study. Br J Anaesth. Published 22 January 2026. doi:10.
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