Neuraxial labor analgesia outcomes in a referral center in Vietnam: a quality improvement program incorporating Statistical Process Control methodology (2022–2024)
Authors' conclusion
A structured quality improvement program integrating monthly audit-feedback cycles, Statistical Process Control monitoring, and Pareto-driven root-cause analysis was associated with sustained improvements in labor epidural analgesia quality and maternal satisfaction.
Study context
- Population
- Women receiving labor epidural analgesia who delivered vaginally at a tertiary hospital in Hanoi, Vietnam, December 2022 to December 20242,458 eligible
- Participants
- 2,062 women
- Exposure
- Baseline vs Year 2 of a structured quality improvement program
- Outcome
- Primary quality driver scores
Methodological detailssingle-centre, Statistical Process Control methodology, monthly audit-feedback cycles, Cases with a score < 4 triggered departmental anesthesiology review and targeted corrective interventions
- Single-centre
- Statistical Process Control methodology
- Monthly audit-feedback cycles
- Cases with a score < 4 triggered departmental anesthesiology review and targeted corrective interventions
Main finding
As reported in the abstract
- All three primary quality driver scores improved significantly across the three periods
- P < 0.0001
- Mean overall quality driver score at baseline
- 4.31 to 4.38
- Mean overall quality driver score in Year 2
- 4.99
- Proportion of low-quality driver events (score < 4) at baseline
- 3.45%
- Proportion of low-quality driver events (score < 4) by Year 2
- < 0.4%
Observational data: associations, not effects.
Further findings
Process stability (SPC p-charts)
- Sustained process stabilization
Parts of this Brief are withheld: the automatic checks could not confirm them against the abstract.
Original publication
Neuraxial labor analgesia outcomes in a referral center in Vietnam: a quality improvement program incorporating Statistical Process Control methodology (2022–2024). Int J Obstet Anesth. Published 1 July 2026. doi:10.
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