Table 3.

AIC of deleted variables in stepwise logistic regression

Deleted variable	AIC
Fiberscope	−2.00
Gender	−4.00
PH	−11.34
APTT	−13.33
HEMOGLOBIN	−15.29
WBC	−20.87
Max CVP value	−22.77
Vasopressor maximum Dose	−24.67
PO2	−26.52
Pneumomycosis	−28.31
PT	−30.08
Glucose	−34.41
Breath rate	−38.62
CHF	−40.44
Neurologic disease	−42.17
Aids	−43.46
Diabetes	−44.53
CVP	−46.31
Oxygenation index	−45.83
PCO2	−46.21
Blood culture	−46.20
PLATELET	−42.01
COPD	−40.17
ALBUMIN	−38.19
TnT	−35.64
BILIRUBIN	−33.06