Where is Redwing when you need him. He is the maths wizard around here.
Thanks, but oh, no, no, no.... will not attempt that one!
I think TA is right though. Any of these math tools are only ways to interpret a database of cases. There are not many of the G9-10 cases, and any time sample sizes get small the results can become quite skewed.
The Partin Tables
show the number of cases in each category. That link is to a .pdf file.
One positive thought from this - no one can predict the course of any single individual's case. No one. No database, no nomogram, no way. We can all always have hope. On average, we're mostly average. But there are always exceptions.
Allow me to point everyone to perhaps the brightest lighthouse of hope that I know, our own Todd1963. If anyone had the right to throw in the towel right up front he did. But he didn't. And we shouldn't. No matter what any table or any math analysis may say!