Benchmarking of surgical complications in gynaecological oncology: Prospective multicentre study

M. Burnell, R. Iyer, A. Gentry-Maharaj, A. Nordin, R. Liston, R. Manchanda, N. Das, R. Gornall, A. Beardmore-Gray, K. Hillaby, S. Leeson, A. Linder, A. Lopes, David Meechan, T. Mould, J. Nevin, A. Olaitan, B. Rufford, S. Shanbhag, A. ThackerayN. Wood, K. Reynolds, A. Ryan, U. Menon

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

Objective To explore the impact of risk-adjustment on surgical complication rates (CRs) for benchmarking gynaecological oncology centres. Design Prospective cohort study. Setting Ten UK accredited gynaecological oncology centres. Population Women undergoing major surgery on a gynaecological oncology operating list. Methods Patient co-morbidity, surgical procedures and intraoperative (IntraOp) complications were recorded contemporaneously by surgeons for 2948 major surgical procedures. Postoperative (PostOp) complications were collected from hospitals and patients. Risk-prediction models for IntraOp and PostOp complications were created using penalised (lasso) logistic regression using over 30 potential patient/surgical risk factors. Main outcome measures Observed and risk-adjusted IntraOp and PostOp CRs for individual hospitals were calculated. Benchmarking using colour-coded funnel plots and observed-toexpected ratios was undertaken. Results Overall, IntraOp CR was 4.7% (95% CI 4.0–5.6) and PostOp CR was 25.7% (95% CI 23.7–28.2). The observed CRs for all hospitals were under the upper 95% control limit for both IntraOp and PostOp funnel plots. Risk-adjustment and use of observed-to-expected ratio resulted in one hospital moving to the >95–98% CI (red) band for IntraOp CRs. Use of only hospitalreported data for PostOp CRs would have resulted in one hospital being unfairly allocated to the red band. There was little concordance between IntraOp and PostOp CRs. Conclusion The funnel plots and overall IntraOp (_5%) and PostOp (_26%) CRs could be used for benchmarking gynaecological oncology centres. Hospital benchmarking using risk-adjusted CRs allows fairer institutional comparison. IntraOp and PostOp CRs are best assessed separately. As hospital under-reporting is common for postoperative complications, use of patient-reported outcomes is important.

Original languageEnglish
Pages (from-to)2171-2180
Number of pages10
JournalBJOG: An International Journal of Obstetrics and Gynaecology
Volume123
Issue number13
DOIs
Publication statusPublished - Dec 2016

Keywords

  • Benchmarking
  • Centres
  • Comparison
  • Complications
  • Gynaecological oncology
  • Risk adjustment
  • Surgery
  • UKGOSOC

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