Table 5.

Mortality screening tests and ROC curve results.

	Mortality scan					ROC curve		p
	Cut off	Sensitivity	Specificity	Positive predictive value	Negative predictive value	Area	95% confidence interval
Leukocyte on admittance	≥17.6	50.0	82.62	13.11	96.92	0.746	0.619–0.874	0.002**
Lactate on admittance	≥2.34	86.67	61.73	10.92	98.84	0.823	0.731–0.945	0.001**
Lactate max	≥4,6	100.0	80.59	22.05	100.0	0.936	0.894–0.978	0.001**
Ferritin on admittance	≥1082	80.0	79.79	16.90	98.73	0.803	0.660–0.946	0.001**
Ferritin max	≥2790	78.57	92.34	35.48	98.77	0.795	0.604–0.986	0.001**

**p < 0.01.