Risk-adjusted benchmarking of surgical complications for ten UK gynaecological oncology centres allows fairer comparison (UK) Ovarian Cancer and Us OVARIAN CANCER and US Ovarian Cancer and Us

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Thursday, April 07, 2016

Risk-adjusted benchmarking of surgical complications for ten UK gynaecological oncology centres allows fairer comparison (UK)



Blogger's Note: see abstract for further stats/adjusted for ease of reading

abstract:
Benchmarking of surgical complications in gynaecological oncology: prospective multicentre study - Burnell - 2016 - BJOG: An International Journal of Obstetrics & Gynaecology 

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 intra-operative (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-to-expected ratios was undertaken.

Results

Overall, IntraOp CR was 4.7% and PostOp CR was 25.7%. 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 hospital-reported 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.

Tweetable abstract

Risk-adjusted benchmarking of surgical complications for ten UK gynaecological oncology centres allows fairer comparison.

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