Perioperative medicine & outcomes
Frailty as an independent risk factor for prolonged postoperative length of stay: A retrospective analysis of 2015–2019 ACS NSQIP data
Authors' conclusion
Frailty is an independent risk factor for prolonged postoperative LOS among older surgical patients, even after adjustment for patient and procedure covariates.
Study context
- Population
- Patients aged 65+ undergoing inpatient surgery including emergency procedures, ACS NSQIP 2015–201929.0 % frail
- Participants
- 1,254,809 patients
- Exposure
- Frail vs non-frail
- Outcome
- Median postoperative LOS
Methodological detailsACS NSQIP registry data 2015–2019, adjusted analysis, subgroup analysis
- ACS NSQIP registry data 2015–2019
- Adjusted analysis
- Subgroup analysis
Main finding
As reported in the abstract
Increase in median LOS, days (95 % CI)
mFI-5 score of 5 vs mFI-5 score of 0adjusted analysis
3(2.79–3.22)
mFI-5 scores of 4 vs mFI-5 scores of 0unadjusted analysis
3.5(3.36–3.64)
mFI-5 scores of 5 vs mFI-5 scores of 0unadjusted analysis
4.64(3.96–5.32)
Observational data: associations, not effects.
Further findings
Characteristics, frail vs non-frail
Black
Hispanic
ASA class IV/V
Malnourished
Vascular surgery
Increase in median length of stay (LOS) per one-point increase in mFI-5 (subgroups)
- Emergency surgery
- 0.5 days, 95 % CI 0.48-0.52
- Lower extremity bypass surgery
- 0.53 days, 95 % CI 0.47-0.59
- Strongest associations
Parts of this Brief are withheld: the automatic checks could not confirm them against the abstract.
Original publication
Frailty as an independent risk factor for prolonged postoperative length of stay: A retrospective analysis of 2015–2019 ACS NSQIP data. J Clin Anesth. Published 20 December 2024. doi:10.
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