Validation of the age-adjusted shock index for pediatric casualties in Iraq and Afghanistan

Table 3 Analysis of SIPA thresholds ability to predict massive transfusion and death

Variable	Age/Threshold	Sensitivity	Specificity	PPV	NPV
Massive transfusion	1–3 years /SIPA 1.2	0.73	0.35	0.18	0.87
	4–6 years /SIPA 1.2	0.63	0.60	0.23	0.89
	7–12 years /SIPA 1.0	0.80	0.57	0.25	0.94
	13–17 years /SIPA 0.9	0.77	0.62	0.29	0.93
Death	1–3 years /SIPA 1.2	0.75	0.34	0.90	0.94
	4–6 years /SIPA 1.2	0.66	0.59	0.14	0.94
	7–12 years /SIPA 1.0	0.64	0.52	0.09	0.95
	13–17 years /SIPA 0.9	0.70	0.57	0.08	0.97

SIPA Shock index pediatric age-adjusted; PPV Positive predictive value; NPV Negative predictive value

ISSN: 2054-9369