Perioperative medicine & outcomes

Characteristics of older patients undergoing surgery in the UK: SNAP-3, a snapshot observational study

Br J AnaesthPublished Prospective observational cohort study

Authors' conclusion

In the UK, one in five older patients undergoing surgery is living with frailty, and almost two-thirds of older patients are living with multimorbidity.

Study context

Population
UK patients aged 60 yr and older undergoing surgery, excluding minor procedures (e.g. cataract surgery), during 5 days in March 2022
Participants
7,134 patients · 214 NHS hospitals
Outcome
Prevalence of frailty and multimorbidity
Methodological detailssnapshot, multicentre
  • Snapshot
  • Multicentre

Main finding

As reported in the abstract

Living with frailty (Clinical Frailty Score ≥5), 95% CI 18.3-20.1%

19%

Living with multimorbidity (count of ≥2 comorbidities), 95% CI 62.0-64.3%

63.1%

Observational data: associations, not effects.

Further findings

Overlap of frailty and multimorbidity

Frail patients also living with multimorbidity (1079/1369)
78.8%
Multimorbid patients also living with frailty (1079/3978)
27.1%

Operation characteristics

Elective operations, 95% CI 67.9-70.1%
69%
Day cases, 95% CI 32.7-34.8%
34%
Frail patients less likely to undergo elective and day-case surgery

Characteristics of patients with frailty, multimorbidity or both

Typically older, lower socioeconomic backgrounds, greater polypharmacy, reduced independence

Age

Mean (SD 8.1) age, yr
72.8

Original publication

Characteristics of older patients undergoing surgery in the UK: SNAP-3, a snapshot observational study. Br J Anaesth. Published 6 January 2025. doi:10.1016/j.bja.2024.11.024

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