Impact of changes in anaesthesia staff assignments on billing compliance, financial margins, and costs of anaesthesia services: development and application of a margin-cost estimation tool
Authors' conclusion
Implementation of a change in anaesthesia staffing model was associated with improved billing compliance, higher billable anaesthesia units, and reduced overtime.
Study context
- Population
- Anaesthesia cases at a US academic medical centre
- Participants
- 13,926 anaesthesia cases
- Exposure
- Changed anaesthesia staff model vs baseline
- Outcome
- Proportion of cases with billing compliant coverage (solo anaesthesiologist or anaesthesiologist covering ≤2 residents or ≤4 CRNAs)
Methodological detailssingle-centre, segmented regression
- Single-centre
- Segmented regression
Main finding
As reported in the abstract
Non-optimal anaesthesia staff assignments (% of anaesthesia cases)
Change in staff model associated with decrease in non-optimal staff assignments
from 4.2% to 1.2%
Adjusted OR
0.25
95% CI 0.20–0.32P<0.001
Observational data: associations, not effects.
Further findings
Billable anaesthesia units per anaesthesia case
- Increase with change in staff model
- 0.6 per anaesthesia case (95% CI 0.4-0.8; P<0.001)
Total staff overtime, all anaesthesia providers
- Adjusted absolute difference
- −4.1 total overtime hours per day (95% CI −7.0 to −1.3; P=0.004)
Original publication
Impact of changes in anaesthesia staff assignments on billing compliance, financial margins, and costs of anaesthesia services: development and application of a margin-cost estimation tool. Br J Anaesth. Published 9 July 2024. doi:10.
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