Table 1B.

American Society of Anesthesiologists Classification System.

I.	A patient with completely normal health.
II.	A patient with mild systemic disease.
III.	A patient with severe systemic disease that is not incapacitating.
IV.	A patient with severe systemic disease that is incapacitating and a constant threat to life.
V.	A patient who is not expected to live 24 hours with or without surgery.