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5. What are our results?

1 April 2012 to 31 March 2013

In heart surgery, we have decided that our standard will be as follows:

Our mortality will not be statistically worse than that predicted by logistic EuroSCORE in any single financial year for the following groups:

  • All coronary surgery
  • All valve surgery
  • All aorta surgery
  • All cardiac surgery performed by an individual surgeon

In practice this means that the 95% lower confidence limit will not be higher than mortality as predicted by half logistic EuroSCORE.
We currently use half of the percentage predicted by logistic EuroSCORE as this scoring system is currently being reviewed.
(In this monitoring we exclude transplant, pulmonary thromboendarterectomy, ventricular assist devices and experimental procedures not appropriately covered by risk stratification).

Understanding the charts

If performance is significantly better than predicted the red line (predicted mortality rate) would be above the upper boundary of the confidence interval.
If performance is significantly worse than expected the red line (predicted mortality rate) would be to the below the lower boundary for the actual mortality.
The following charts demonstrate our most recent performance in cardiac surgery.
The diamond shape is actual death rate. The horizontal line shows the 95% confidence interval around the actual death rate. The red line shows the predicted death rate for patients. The figure in brackets is the number of heart operations performed.

This first chart shows that Papworth Hospital has met the performance indicator for, coronary artery bypass grafting, valve and aorta surgery.

Cardiac mortality by procedure 1 April 2012 to 31 March 2013

All our surgeons met the clinical performance indicator for 1 April 2012 to 31 March 2013 (chart 2) since their predicted mortality rates are all above the lower boundary of the confidence interval. That means no surgeon at Papworth Hospital performs less well than the European standard.

All cardiac surgery by surgeon 1 April 2012 to 31 March 2013

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