North West Anglia NHS Foundation Trust

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Explanatory Note

Funnel plots display trust risk-adjusted outcomes for 90-day mortality, 30-day unplanned readmission, 2-year mortality and, for rectal cancer patients, 18-month stoma rate. The funnel regions represent the 95 per cent limit and the 99.8 per cent limit for trusts compared to the national average. Those trusts with results outside the outer (99.8 per cent) limit are considered potential outliers.

Risk adjustment is performed using the seven items listed under Data Quality as well as mode of admission (elective/emergency) and number of co-morbidities according to HES, and an interaction between age and distant metastases. Missing values are imputed using Multiple Imputation. The model for two-year mortality additionally includes interactions between follow-up time (0-3 months after surgery vs. 3-24 months after surgery) and all of the risk factors.

A stoma is considered to be reversed if a HES record with relevant code is identified with 18 months of the initial surgical procedure.

Trust Number Adjusted Observed
North West Anglia NHS Foundation Trust 163 8.6% 8.6%
Other trusts within the region: East of England - North
Cambridge University Hospitals NHS Foundation Trust 167 6.5% 6.6%
James Paget University Hospitals NHS Foundation Trust 71 19.3% 19.7%
Norfolk and Norwich University Hospitals NHS Foundation Trust 133 9.3% 9%
West Suffolk NHS Foundation Trust 118 11.8% 11%
Trust Number Adjusted Observed
North West Anglia NHS Foundation Trust 173 5% 4.6%
Other trusts within the region: East of England - North
James Paget University Hospitals NHS Foundation Trust 78 1.7% 2.6%
West Suffolk NHS Foundation Trust 123 7.1% 4.9%
Trust Number Adjusted Observed
North West Anglia NHS Foundation Trust 188 25.4% 24.4%
Other trusts within the region: East of England - North
Cambridge University Hospitals NHS Foundation Trust 182 19.6% 21.2%
East Suffolk and North Essex NHS Foundation Trust - Colchester Hospital 147 27.4% 22.1%
East Suffolk and North Essex NHS Foundation Trust - Ipswich Hospital 147 20.2% 24%
James Paget University Hospitals NHS Foundation Trust 96 28.9% 34.4%
Norfolk and Norwich University Hospitals NHS Foundation Trust 250 19.3% 14.8%
West Suffolk NHS Foundation Trust 115 20.2% 19.5%