OBJECTIVE: To define 'high-' and 'low-' volume hospitals for radical cystectomy, and the minimum caseload required for a hospital to achieve optimum outcomes, as a relationship between increasing surgical case volume and improved outcomes in radical urological surgery has been suggested in recent North American studies. METHODS: All cystectomies for urological cancer in England over 5 years were analysed from Hospital Episode Statistics (HES) data. The data were analysed statistically to describe the relationship between each hospital's annual case volume and two outcome measures: in-hospital mortality rate (MR) and hospital stay. RESULTS: In all, there were 6317 cystectomies in 210 centres, with an overall MR of 5.6%. There was a significant inverse correlation (-0.733, P < 0.01) between hospital case volume and MR. Applying 95% confidence intervals, the minimum caseload required to achieve optimum outcomes was 11 procedures/year. Increasing the caseload beyond this minimum did not produce a significant reduction in MR. CONCLUSION: Analysis of HES data confirms an inverse relationship between hospital caseload and mortality for radical cystectomy. A caseload of 11 operations/year is associated with the lowest MR.
OBJECTIVE: To define 'high-' and 'low-' volume hospitals for radical cystectomy, and the minimum caseload required for a hospital to achieve optimum outcomes, as a relationship between increasing surgical case volume and improved outcomes in radical urological surgery has been suggested in recent North American studies. METHODS: All cystectomies for urological cancer in England over 5 years were analysed from Hospital Episode Statistics (HES) data. The data were analysed statistically to describe the relationship between each hospital's annual case volume and two outcome measures: in-hospital mortality rate (MR) and hospital stay. RESULTS: In all, there were 6317 cystectomies in 210 centres, with an overall MR of 5.6%. There was a significant inverse correlation (-0.733, P < 0.01) between hospital case volume and MR. Applying 95% confidence intervals, the minimum caseload required to achieve optimum outcomes was 11 procedures/year. Increasing the caseload beyond this minimum did not produce a significant reduction in MR. CONCLUSION: Analysis of HES data confirms an inverse relationship between hospital caseload and mortality for radical cystectomy. A caseload of 11 operations/year is associated with the lowest MR.
Authors: Catharina A Goossens-Laan; Paul J M Kil; J L H Ruud Bosch; Jolanda De Vries Journal: Support Care Cancer Date: 2013-09-13 Impact factor: 3.603
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