Table VIII.

Risk of 30-day mortality. Optimum cut-off points and indicators

Variable	Sensitivity	Specificity	PPV	NPV	OR	95% CI for OR		P-value
Age ≥ 46.5	0.6301	0.7308	0.8679	0.4130	4.6243	1.7212	12.4243	0.0015
SOFA ≥ 12.5	0.8194	0.7600	0.9077	0.5938	14.3718	4.7991	43.0394	< 0.0001
APACHE II ≥ 21	0.8194	0.7600	0.9077	0.5938	14.3718	4.7991	43.0394	< 0.0001
SAPS II ≥ 39.5	0.9028	0.7600	0.9155	0.7308	29.4048	8.8185	98.0487	< 0.0001
MELD UNOS ≥ 31.5	0.6164	0.8077	0.9000	0.4286	6.7500	2.2844	19.9449	0.0002
INR ≥ 2.71	0.4658	1.0000	1.0000	0.4000	OR could not be determined			< 0.0001
Prothrombin time ≥ 29.75	0.5205	0.9615	0.9744	0.4167	27.1429	3.4912	211.0292	< 0.0001
Creatinine ≥ 1.81	0.6575	0.8077	0.9057	0.4565	8.0640	2.7152	23.9499	< 0.0001
GCS ≤ 14.5	0.7945	0.5385	0.8286	0.4828	4.5111	1.7315	11.7527	0.0014
Albumin ≤ 2.935	0.6667	0.7200	0.8511	0.4737	5.1429	1.8455	14.3317	0.0011

APACHE – Acute Physiology and Chronic Health Evaluation, CI – confidence interval, GCS – Glasgow Coma Scale, INR – prothrombin ratio, MELD UNOS – Model of End-stage Liver Disease United Network for Organ Sharing, NPV – negative predictive value, OR – odds ratio, PPV – positive predictive value, SAPS – Simplified Acute Physiology Score, SOFA – Sequential Organ Failure Assessment.