Hospital episode statistics v central cardiac audit database

Abstract
We published the follow-up of the Bristol Royal Infirmary analysis to which Westaby et al refer1 2 and have some comments on their paper. The online version suggests that the clinical teams did not verify the data. We wrote to the clinical team at Oxford over a year before our paper was published. After some months and a reminder letter sent to them, we received a response from the medical director of the trust …