Monday, July 20, 2009

Stephenson nomogram revalidated

The Stephenson nomogram, which predicts the outcome of salvage radiation, has been revalidated: .

The electronic version, a calculator, can be found here:

The updated paper version of the nomogram is here, but I find the digital version much easier.

The upshot of the validation is that the nomogram is a good rough guide to probability of success. It's better at the two ends of the risk spectrum (high and low) than it is for men in the middle, however.

No comments: