APACHE II: a severity of disease classification system

WA Knaus, EA Draper, DP Wagner… - Critical care …, 1985 - journals.lww.com
This paper presents the form and validation results of APACHE II, a severity of disease
classification system. APACHE II uses a point score based upon initial values of 12 routine
physiologic measurements, age, and previous health status to provide a general measure of
severity of disease. An increasing score (range 0 to 71) was closely correlated with the
subsequent risk of hospital death for 5815 intensive care admissions from 13 hospitals. This
relationship was also found for many common diseases. When APACHE II scores are …