Table 5. Cutoff value of predictive factors.

	Sensitivity	Specificity	Cutoff value	AUC	P value
Lymphocytes (×10^9/L)	0.80	0.841	0.985	0.868	<0.001
CRP (mg/L)	0.553	1.0	88.85	0.859	<0.001
LDH (U/L)	0.688	0.966	344.5	0.878	<0.001
AST (U/L)	0.791	0.786	28	0.827	<0.001
P/F Ratio (mmHg)	1.0	0.694	260.35	0.889	<0.001
CT score	0.818	0.857	2.5	0.881	<0.001
APACHE II	0.708	0.898	6.5	0.852	<0.001
PSI	0.604	0.814	76.5	0.757	<0.001