The process variants of the protected group have different frequencies and performances compared to the unprotected group, but it is not clear what exactly those differences mean or how they relate to the variants. It appears that some processes in the unprotected group resulted in loan denials while others were successful, with a higher frequency of success for the protected group.

To answer your question, without domain knowledge it is difficult to give a definitive answer on the main differences between process variants of the protected and unprotected groups.