6/15/2023 0 Comments Apache 2 score calculatorWithin the study period, 87% of all ICU patients had all 12 physiologic measurements available. The APACHE II score is made of 12 physiological variables and 2 disease-related variables. The authors excluded CABG patients because surgical and anesthetic management resulted in falsely elevated APACHE II scores despite a low mortality rate of 1.5%. Initially, the authors did not plan to exclude any patients however, CABG patients (N=785) were later excluded, resulting in a total patient population of 5,030. The study initially enrolled 5,815 patients admitted to 13 intensive care units in the United States from 1979 to 1982. The Acute Physiology and Chronic Health Evaluation (APACHE II) is a severity score and mortality estimation tool developed from a large sample of ICU patients in the United States.
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