Variation in Anesthesiology Provider–Volume for Complex Gastrointestinal Cancer Surgery: A Population-Based Study
Authors' conclusion
Substantial variation in anesthesiology PV and delivery of high-volume anesthesiology care existed across hospitals. The anesthesiologist and the hospital were key determinants of the variation in high-volume anesthesiology care delivery.
Study context
- Population
- Patients undergoing elective esophagectomy, hepatectomy and pancreatectomy, 2007–2018
- Participants
- 7,893 patients · 17 hospitals
- Outcome
- Between-anesthesiologist and between-hospital variation in anesthesiology provider-volume (PV) and delivery of high-volume anesthesiology care (PV>6 procedures/year)
Methodological detailspopulation-based linked administrative health data, hierarchical regression
- Population-based linked administrative health data
- Hierarchical regression
Main finding
As reported in the abstract
Variation in delivery of high-volume anesthesiology care (adjusted)
Variation attributable to between-anesthesiologist differences (VPC)
0.32
Variation attributable to between-hospital differences (VPC)
0.16
Anesthesiologist median OR
4.81
95% CI 3.27–10.3
Hospital median OR
3.04
95% CI 2.14–7.77
Observational data: associations, not effects.
Original publication
Variation in Anesthesiology Provider–Volume for Complex Gastrointestinal Cancer Surgery: A Population-Based Study. Ann Surg. Published 24 January 2023. doi:10.
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