Table 9.

Comparison of the Predictive Validity of the Proposed Model with the Revised Trauma Score (RTS) and Pediatric Trauma Score (PTS)^*

Testing Dataset	Sensitivity	Specificity	Undertriage (1-sensitivity)	Overtriage (1-sensitivity)	Positive Predictive Value	Negative Predictive Value	Accuracy
NPTR testing data
Proposed model	96(94–98)	91(90–91)	4(2–6)	9(9–10)	22(20–24)	99 (99–99)	91(90–91)
RTS	95(93–97)	71(70–72)‖	5(3–7)	29(28–30)‖	8(7–9)‖	99 (99–99)	72(71–72)‖
PTS†	99(98–100)§	71(70–71)‖	1(0–2)§	29(29–30)‖	7(6–8)‖	99 (99–99)	71(70–72)‖
NTDB‡
Proposed model	97(95–98)	60(59–61)	3(2–5)	40(39–41)	7(7–8)	99 (99–99)	61(60–62)
RTS	94(92–96)	70(69–71)‖	6(4–8)	30(29–31)‖	9(9–10)‖	99 (99–99)	71(70–72)‖

^*All indicated values are percentages; 95% confidence intervals indicated in parentheses.

^†based on values available in the NPTR database (n = 13,135).

^‡PTS not available in the NTDB.

^§P < 0.01.

^‖P < 0.001 compare to proposed modelw