Table 3.

ROC analysis of various prognostic biomarkers for predicting 120-day mortality

Variables	AUC	95% CI	Cut-off values	Sensitivity (%)	Specificity (%)
ABSI score	0.818	0.774–0.862	9.5 score	86.5	57.7
Day 1
PLT	0.655	0.591–0.719	112 × 109/L	79.0	49.5
PDW	0.646	0.583–0.709	17.5%	49.0	80.0
PDW + ABSI score	0.832	0.789–0.874	0.175	71.9	78.7
PPR	0.672	0.608–0.736	0.163	44.8	85.0
PPR + ABSI score	0.834	0.793–0.875	0.102	84.4	66.0
Day 3
PLT	0.792	0.742–0.842	74 × 109/L	80.7	64.9
PDW	0.782	0.734–0.830	17.1%	84.4	70.2
PDW + ABSI score	0.861	0.823–0.898	0.122	87.5	71.9
PPR	0.816	0.767–0.864	0.211	76.0	76.5
PPR + ABSI score	0.868	0.832–0.905	0.098	89.6	69.8
Day 7
PLT	0.724	0.666–0.783	143 × 109/L	72.5	63.9
PDW	0.764	0.713–0.815	16.7%	56.3	84.4
PDW + ABSI score	0.858	0.817–0.899	0.170	78.1	79.6
PPR	0.750	0.692–0.807	0.115	63.5	77.1
PPR + ABSI score	0.850	0.809–0.891	0.142	78.1	76.5

ABSI, abbreviated burn severity index; AUC, area under the curve; CI, confidence interval; PDW, platelet distribution width; PLT, platelet count; PPR, PDW-to-PLT ratio; ROC, receiver operating characteristic curve.