The original CAPRA score was developed by the University of California, San Francisco UCSF and validated in 2006 as a pre treatment tool to assess the recurrence risk of prostate cancer after first line treatment.
Cooperberg, et al have described a post surgical tool called CAPRA-S which is used to assess the risk of prostate cancer recurrence after first line surgery.
Use of the CAPRA-S scores was correlated to actual biochemical recurrence data for > 3,800 radical prostatectomy patients in the CAPSURE database treated after 1992, of whom 644 had subsequent disease recurrence. The model allows for the following predictive output at 3 and at 5 years after surgery
This was tested on a 4 inch form factor phone.