Performance of severity indices for admission and mortality of trauma patients in the intensive care unit: a retrospective cohort study

Table 3 Comparison of the performance of trauma severity indices in predicting ICU patient mortality

Trauma severity indices	AUC	95% CI	Cutoff point	Sens (%)	Spec (%)	PPV (%)	NPV (%)	Accuracy (%)
ISS	0.845	0.657–1.000	23.5	66.7	95.0	44.4	97.9	93.4
NISS	0.949	0.897–1.000	21.0	100.0	82.0	25.0	100.0	83.0
TRISS	0.909	0.804–1.000	81.7	66.7	98.0	66.7	98.0	96.2
NTRISS	0.967	0.930–1.000	91.6	100.0	90.0	37.5	100.0	90.6
mREMS	0.858	0.765–0.952	3.5	100.0	62.0	13.6	100.0	64.2
RTS	0.635	0.431–0.839	7.4	33.3	94.0	25.0	95.9	90.6
NTS	0.734	0.479–0.990	9.6	66.7	85.0	21.1	97.7	84.0
BISS	0.902	0.805–0.999	78.3	100.0	72.0	17.7	100.0	73.6
BNISS	0.976	0.943–1.000	57.4	100.0	92.0	42.9	100.0	92.5

RTS Revised Trauma Score, NTS New Trauma Score, mREMS modified Rapid Emergency Medicine Score, ISS Injury Severity Score, NISS New Injury Severity Score, TRISS Trauma and Injury Severity Score, NTRISS New Trauma and Injury Severity Score, BISS Base-deficit Injury Severity Score, BNISS Base-deficit and New Injury Severity Score, AUC Area Under the Curve, 95% CI 95% confidence interval, Sens Sensitivity, Spec Specificity, PPV Positive Predictive Value, NPV Negative Predictive Value

ISSN: 2047-783X