Whether it's a war, an epidemic, or your health insurance premium, rest assured that an accountant, policy analyst, or a math statistician has analyzed the potential for loss of life, injury, cost of the impending conflict, or just doing business.
Health risk stratification, according to Medical-dictionary.com, is, "A formal estimate of the probability of a person's succumbing to a disease or benefiting from a treatment for that disease."
Mackie Shilstone,
Contributing writer
Casualty Projections for the U.S. Invasion of Japan, 1945-1946: Planning and Policy Implications by D.M. Giangreco from the Journal of Military History (July 1997) said, "The Army and War Department manpower policy of 1945- in all aspects - was established in such a way that the Army could sustain an average of 100,000 casualties per month from November 1945 through the fall of 1946 and still remain relatively fully manned and combat-effective units.