Pain medicine

Clinical Decision Support to Reduce Opioid Prescribing at Discharge for Inpatients Undergoing Surgery (LESS Study): An Interrupted Time Series Analysis

AnesthesiologyPublished Interrupted time series analysis

Main finding · Discharge oxycodone MMEResult — go to the resultRatio of geometric means 0.83 95% CI 0.76–0.90

Authors' conclusion

An automated real-time clinical decision support tool resulted in clinically significant reductions in oxycodone prescribed at discharge.

Study context

Population
Adult surgical inpatients hospitalized ≥24 h with no opioids in the 24 h before discharge
Participants
10,422 vs 11,795
Comparison
Postintervention vs preintervention discharges
  • Before interventionn = 10,422reference
  • After interventionn = 11,795
Outcome
Discharge oxycodone in morphine milligram equivalents (MME)
Methodological detailssegmented regression, adjusted for confounders, systemwide
  • Segmented regression
  • Adjusted for confounders
  • Systemwide

Main finding

Discharge oxycodone MME

Ratio of geometric means

0.83

95% CI 0.76–0.90

P < 0.001

By group

After intervention vs before intervention
ratio of geometric means 0.83 (95% CI 0.76–0.90); P < 0.001

As reported in the abstract

No difference in slopes
P = 0.919

Secondary outcomes

OutcomeBefore interventionAfter interventionEstimate
Any oxycodone prescribed at dischargeLevel change21%18%RR 0.87 (95% CI 0.79–0.96)
MME among discharges with a prescriptionmedian 112 (quartile 1, quartile 3 75–150) MMEmedian 75 (quartile 1, quartile 3 38–112) MMEratio of geometric means 0.70 (95% CI 0.65–0.75)

Original publication

Clinical Decision Support to Reduce Opioid Prescribing at Discharge for Inpatients Undergoing Surgery (LESS Study): An Interrupted Time Series Analysis. Anesthesiology. Published 21 May 2026. doi:10.1097/aln.0000000000006174

Composed by AI from the published abstract and checked against it. How Briefs are made →

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