Perioperative medicine & outcomes

Socioeconomic position and preoperative characteristics in Perioperative Quality Improvement Programme participants: a UK national observational study

Br J AnaesthPublished UK national observational study

Authors' conclusion

Patients presenting for major surgery from more deprived backgrounds do so in poorer overall health. They can encounter barriers to both research participation and available preoperative support. Addressing this unmet need to prevent widening perioperative health inequalities requires interventions tailored to the patient's socioeconomic context.

Study context

Population
Adults aged ≥18 yr undergoing major elective surgery at UK Perioperative Quality Improvement Programme sitesparticipants included
Participants
55,938 adults
Exposure
Associations between Index of Multiple Deprivation (IMD) position and patient characteristics, health behaviours, and comorbidities
Outcome
Share of participants in quintile 1 (most deprived)

Main finding

As reported in the abstract

Quintile 1 (most deprived), smallest subgroup

14.2%

Observational data: associations, not effects.

Further findings

Age

Age — Median age, all participants
66 yr
Age — IMD 1 participants 5 yr younger than IMD 5
5 yr

Home ownership, occupation, and educational attainment

Deprivation gradients (IMD 5 to 1)

Smoking, inactivity, and obesity

Prevalences increased from IMD 5 to 1

Major long-term conditions including diabetes mellitus, heart failure, stroke, and ASA physical status 3-4

Higher prevalences in more deprived quintiles

Dementia and renal impairment

Prevalence rates similar across quintiles despite the age gradient

Frailty and disability

Proportions increased with deprivation

Original publication

Socioeconomic position and preoperative characteristics in Perioperative Quality Improvement Programme participants: a UK national observational study. Br J Anaesth. Published 16 October 2026. doi:10.1016/j.bja.2026.09.002

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