Table 3.

—Score Derived From Logistic Regression Model

Predictor	Estimates Translated Into Score
Demographic
Age < 45 yr	4.5
CPE risk factors
Hx of heart failure	−1.5
Hx of CAD	−1
New ST changes/LBBB	−1.5
ALI risk factors
Sepsis or pancreatitis	2.5
Pneumonia	1
Aspiration	0.5
ALI risk modifier (only counted  if any ALI RF)
Alcohol abuse	4
Miscellaneous
Chemotherapy	4
Persistent hypoxemia = Spo2/Fio2  ratio at 6 h < 235	1

ALI RF = ALI risk factor (sepsis, pancreatitis, pneumonia, aspiration). See Table 1 and 2 legends for expansion of other abbreviations.