There are graphics for cataract, coronary by pass, hip surgery and coronary angioplasty. In all but the latter there is divergence or a big difference.
Those living on the border have a choice. They can register in Wales for “free prescriptions” and then when they need choice of specialist/centre of excellence they can register with a GP in England and have access to “Choose and book”. The emperor has no clothes..
Patients and the professions are ready to ration health care strategically, without devolution. It’s the politicians and the managers who won’t hear of it because the strategy might mention rationing.