biostudies-literatureSkinner SFrench Ministry of HealthHospices Civils de Lyon284-292https://www.ebi.ac.uk/biostudies/studies/S-EPMC11041585biostudies-literatureUnknown33(5)<h4>Importance</h4>Surgical complications represent a considerable proportion of hospital expenses. Therefore, interventions that improve surgical outcomes could reduce healthcare costs.<h4>Objective</h4>Evaluate the effects of implementing surgical outcome monitoring using control charts to reduce hospital bed-days within 30 days following surgery, and hospital costs reimbursed for this care by the insurer.<h4>Design</h4>National, parallel, cluster-randomised SHEWHART trial using a difference-in-difference approach.<h4>Setting</h4>40 surgical departments from distinct hospitals across France.<h4>Participants</h4>155 362 patients over the age of 18 years, who underwent hernia repair, cholecystectomy, appendectomy, bariatric, colorectal, hepatopancreatic or oesophageal and gastric surgery wBMJ quality & safetyEconomic analysis of surgical outcome monitoring using control charts: the SHEWHART cluster randomised trial.PMC11041585PREPS 2013-84Pascal LDuclos ASHEWHART Trial GroupPolazzi SLifante JCChollet FSkinner SfalseEconomic analysis of surgical outcome monitoring using control charts: the SHEWHART cluster randomised trial.<h4>Importance</h4>Surgical complications represent a considerable proportion of hospital expenses. Therefore, interventions that improve surgical outcomes could reduce healthcare costs.<h4>Objective</h4>Evaluate the effects of implementing surgical outcome monitoring using control charts to reduce hospital bed-days within 30 days following surgery, and hospital costs reimbursed for this care by the insurer.<h4>Design</h4>National, parallel, cluster-randomised SHEWHART trial using a difference-in-difference approach.<h4>Setting</h4>40 surgical departments from distinct hospitals across France.<h4>Participants</h4>155 362 patients over the age of 18 years, who underwent hernia repair, cholecystectomy, appendectomy, bariatric, colorectal, hepatopancreatic or oesophageal and gastric surgery w2024-01-01T00:00:00Z2024 Apr2026-06-15T06:12:24.819Z2026-06-15T03:08:42.104ZS-EPMC110415853755323810.1136/bmjqs-2022-015390