Bazian, Economist Intelligence Unit Healthcare, London, UK.
Wessex Institute, University of Southampton, Southampton, UK.
BMJ. 2019 Oct 9;367:l5462. doi: 10.1136/bmj.l5462.
The studyPeden CJ, Stephens T, Martin G et al. Effectiveness of a national quality improvement programme to improve survival after emergency abdominal surgery (EPOCH): a stepped-wedge cluster-randomised trial. 2019;393:2213-21.This project was funded by the NIHR Health Services and Delivery Research Programme (project number 12/5005/10).To read the full NIHR Signal, go to https://discover.dc.nihr.ac.uk/content/signal-000789/national-quality-improvement-programmes-need-time-and-resources-to-have-impact.
Peden CJ、Stephens T、Martin G 等人。国家质量改进计划对提高急诊腹部手术后生存率的效果（EPOCH）：一项阶梯式楔形集群随机试验。柳叶刀。2019;393:2213-21. 本项目由英国国家健康研究所卫生服务和交付研究计划（项目编号 12/5005/10）资助。欲阅读完整的英国国家健康研究所信号，请访问 https://discover.dc.nihr.ac.uk/content/signal-000789/national-quality-improvement-programmes-need-time-and-resources-to-have-impact。
