Mannheim Peritonitis Index. A prognostic scoring system used to predict mortality in patients with peritonitis. Long-term survivors have an MPI score of about 20; non-survivors have a score of 33. Risk factorâScore.
What we do know for sure about the Three-Eyed Raven is that he is a Greenseer, gifted with the ability to see the past, present, and future and communicate through dreams. Greensight is more common with the Children of the Forest, but some humans, like the Three-Eyed Raven, also have this ability.
Like death, loss, and suffering, the raven is part of the speaker's life and will remain so. The raven casts a shadow on the speaker's life and seems to threaten the speaker. He comes unexpectedly and acts as it pleases without any concern for the effect it has on others.