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Two things to take home…
And some correct places to find them, on this and the subsequent page (NOT the pages mentioned in class)…
The improvement in the use of special procedures (especially immunohistochemistry (“Immunopath”), which was unheard of before 1985, has helped in making the diagnosis more accurate, but the fall in the autopsy rate at the same time has just about cancelled that out.
Here we see an example.  In the light area (two yellow rows), we see that diagnostic uncertainty was doubled when there was no autopsy in the earlier time period and “accuracy” of diagnosis about 10% more.  In the later period, virtually the same thing was true, even though the overall figures were slightly better in each cell.