Also, if you "save" her, you send her to Tython to be healed by the Jedi.
You subequently get a letter in the mail that says that progress is being made, not that she is cured.
Also, This takes place on Ziost. The happenings in KOTFE/KOTET are subsequent to Ziost, and that Jedi could have been one of the people who were killed during the reign of Arcann while you were sleeping in carbonite for 5 years.