The following helps give an idea of the scope of rolls in medicine: Terrible (-3.0 or greater) = Misdiagnosis with critical injury or harm to patient, higher rolls increase the likelihood of incompetence Poor (-2 to -2.99) = Misdiagnosis with serious injury or harm to patient, negligence Mediocre (-1 to -1.99) = Misdiagnosis with no notable side effects to patient Fair (0 to -.99) = Adequate diagnosis Good (.01 to 1.99) = Good diagnosis Great (2.0 to 2.99) = Excellent diagnosis Superb (3.0 to 3.99) = Diagnosis of difficult or problematic case with minimal complication