Comparing NEWS2, TRISS, and RTS in predicting mortality rate in trauma patients based on prehospital data set: a diagnostic study

Table 7 Receiver operator characteristics of ISS, GCS, RTS, NEWS2, and TRISS in predicting in-hospital mortality rate

Indicator	ISS^a	GCS	RTS	NEWS2	TRISS^*
cutoff	> 12	≤ 14	≤ 7	> 4	≤ 97.01
Sensitivity (95% CI)	65.12 (56.2–73.3)	67.44 (58.6–75.4)	66.67 (57.8–74.7)	74.42 (66-81.7)	77.52 (69.3–84.4)
Specificity (95% CI)	81.83 (80.6–83)	93.45 (92.6–94.2)	93.99 (93.2–94.7)	90.1 (89.1–91)	92.83 (92-93.6)
PLR (95% CI)	3.58 (3.11–4.13)	10.3 (8.72–12.17)	11.1 (9.34–13.19)	7.52 (6.56–8.63)	10.81 (9.36–12.5)
NLR (95% CI)	0.43 (0.34–0.54)	0.35 (0.27–0.45)	0.35 (0.28–0.45)	0.28 (0.21–0.38)	0.24 (0.18–0.33)
AUC (95% CI)	0.774	0.815	0.812	0.879	0.934
p-value	< 0.0001	< 0.0001	< 0.0001	< 0.0001	< 0.0001

ISS Injury severity score, RTS Revised trauma score, NEWS2 National early warning score, TRISS Trauma and injury severity score, PLR Positive likelihood ratio, NLR Negative likelihood ratio, AUC Area under the curve, CI Confidence interval
^aThese variables are calculated based on in-hospital data sets

ISSN: 1471-227X