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

Table 4 Side-by-side comparison of the unadjusted shock-index of 0.9 threshold versus the age adjusted thresholds

Variable	Age/Threshold	AUC SI (unadjusted)	AUC SIPA
Massive transfusion	1–3 years /SIPA 1.2	0.50	0.54
	4–6 years /SIPA 1.2	0.55	0.62
	7–12 years /SIPA 1.0	0.62	0.69
Death	1–3 years /SIPA 1.2	0.50	0.54
	4–6 years /SIPA 1.2	0.54	0.62
	7–12 years /SIPA 1.0	0.54	0.58

AUC Area under the curve; SI Shock index; SIPA Shock index pediatric age-adjusted

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