Table 1.

Demographic and Clinical Characteristics of the Study Population

Subject	Age (years)	Gender	Hair color	CT indication	CT	ICH
1	14	M	Black	DKA; mental status	Abnormal	N
2	1.4	M	Black	Ataxia/ fever	Abnormal	N
3	11	M	Brown	Trauma	Abnormal	Y
4	8	M	Black	Trauma	Normal	N
5	0.4	F	Blonde	Trauma	Abnormal	Y
6	4	F	Blonde	New seizure	Normal	N
7	13	M	Brown	Trauma	Abnormal	N
8	0.04	F	Scant	Fever; r/o meningitis	Normal	N
9	0.1	M	Black	Infection	Normal	N
10	0.3	M	Blonde	New seizures	Abnormal	N
11	2	M	Brown	MVA	Abnormal	Y
12	0.1	M	Black	r/o meningitis	Abnormal	N
13	0.003	M	Blonde	Fall from bed	Abnormal	N
14	1.3	M	Black	Trauma	Abnormal	N
15	0.1	F	Blonde	Infection	Normal	N
16	1.2	M	Blonde	Seizure	Normal	N
17	0.6	F	Black	Drowning	Normal	N
18				Excluded
19	1.9	F	Brown	AHT; lethargy	Abnormal	N
20	0.2	M	Black	Seizures; vomiting	Abnormal	Y
21	0.1	M	Scant	Trauma	Abnormal	Y
22	0.1	M	Brown	HDN	Abnormal	Y
23	0.2	M	Blonde	Irritability; L arm fracture	Abnormal	Y
24	0.1	M	Brown	Trauma	Abnormal	Y
25	2	F	Brown	Severe closed head injury	Abnormal	Y
26	0.2	M	Scant	Found unresponsive	Abnormal	Y
27	14	M	Brown	Infection	Abnormal	N
28	0.3	M	Black	Found limp/apneic	Abnormal	Y
29	0.3	F	Blonde	BB gun injury to head	Abnormal	Y

DKA, diabetic ketoacidosis; MVA, motor vehicle accident; AHT, abusive head trauma; HDN, hemorrhagic disease of the newborn; L, left; Y, yes; N, no; r/o, rule out.