Imperial College Healthcare NHS 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
Imperial College Healthcare NHS Trust 99 16.3% 16.2%
Other trusts within the region: RM Partners
Chelsea and Westminster Hospital NHS Foundation Trust 102 8.8% 8.8%
Croydon Health Services NHS Trust 66 9.1% 9.1%
Epsom and St Helier University Hospitals NHS Trust 107 15.6% 15.9%
Kingston Hospital NHS Foundation Trust 92 12.2% 10.9%
London North West Hospitals NHS Trust 194 9.8% 10.3%
St George's Healthcare NHS Trust 30 13.1% 13.3%
The Hillingdon Hospitals NHS Foundation Trust 65 7.8% 7.7%
The Royal Marsden NHS Foundation Trust 36 4.4% 5.6%
Trust Number Adjusted Observed
Imperial College Healthcare NHS Trust 107 1.2% 0.9%
Other trusts within the region: RM Partners
Chelsea and Westminster Hospital NHS Foundation Trust 106 2.2% 1.9%
Epsom and St Helier University Hospitals NHS Trust 115 3% 3.5%
Kingston Hospital NHS Foundation Trust 97 2.6% 2.1%
London North West Hospitals NHS Trust 200 2.1% 2%
St George's Healthcare NHS Trust 32 5.4% 3.1%
The Hillingdon Hospitals NHS Foundation Trust 65 1.4% 1.5%
Trust Number Adjusted Observed
Imperial College Healthcare NHS Trust 115 14.5% 14.4%
Other trusts within the region: RM Partners
Chelsea and Westminster Hospital NHS Foundation Trust 107 17.2% 19.7%
Croydon Health Services NHS Trust 53 22.3% 20.8%
Epsom and St Helier University Hospitals NHS Trust 70 25.8% 21.3%
Kingston Hospital NHS Foundation Trust 101 15% 17.6%
London North West Hospitals NHS Trust 137 17.1% 13.3%
St George's Healthcare NHS Trust 75 14.2% 16%
The Hillingdon Hospitals NHS Foundation Trust 59 11.6% 12.6%
The Royal Marsden NHS Foundation Trust 43 18.1% 12.4%
Trust Number Adjusted Observed
Imperial College Healthcare NHS Trust 83 31.2% 31.3%
Other trusts within the region: RM Partners
Chelsea and Westminster Hospital NHS Foundation Trust 64 47.8% 48.4%
Croydon Health Services NHS Trust 43 41.1% 41.9%
Epsom and St Helier University Hospitals NHS Trust 39 39% 41%
Kingston Hospital NHS Foundation Trust 48 36.2% 35.4%
London North West Hospitals NHS Trust 119 47.7% 45.4%
St George's Healthcare NHS Trust 56 28% 26.8%
The Hillingdon Hospitals NHS Foundation Trust 50 52.1% 54%
The Royal Marsden NHS Foundation Trust 63 70.7% 71.4%