Table 4.

ROC curve analysis data for CD64 expression on PMNs and monocytes and the phagocytosis of PMNs to predict survival.

Variable	AUC	P-value	Cut-off point	Sensitivity (%)	Specificity (%)	PPV (%)	NPV (%)
MIF CD64 on PMNs	0·892	0·002	2·45	60	100	100	53·8
MIF CD64 on monocytes	0·817	0·014	13·9	60	100	100	57
% Phago PMNs	0·889	0·001	36·1	72·2	100	100	67

AUC, area under the curve; PPV, positive predictive value; NPV, negative predictive value.