Not quite sure what you are aiming for, but try -kappa-
Marcus Fischer wrote:
How can I estimate  and compare two diagnostic tests� accuracies with
a gold standard when the diagnostic test scales and the scale of the
gold standard are ordinal variables (each 0 to 3) ?
Thanks
*
*   For searches and help try:
*   http://www.stata.com/help.cgi?search
*   http://www.stata.com/support/statalist/faq
*   http://www.ats.ucla.edu/stat/stata/
*
*   For searches and help try:
*   http://www.stata.com/help.cgi?search
*   http://www.stata.com/support/statalist/faq
*   http://www.ats.ucla.edu/stat/stata/