TABLE 3

Unadjusted Proportion of Infants Who Received a Diagnosis of Abuse, According to Patient Characteristics

n (%)Pa
Age
    <1 mo74 (27.2)
    1–6 mo835 (47.8)<.001
    7–12 mo236 (37.3)
Gender
    Male704 (45.1).021
    Female441 (40.6)
Race
    White516 (42.2)
    Black270 (49.3)<.001
    Hispanic178 (38.4)
    Asian13 (22.0)
Insurance
    Private133 (25.2)
    Public825 (53.2)<.001
    Self20 (28.2)
Type of TBI
    ICH with skull fracture700 (58.4)<.001
    ICH without skull fracture445 (30.7)
TBI severityb
    Mild7 (21.2)
    Moderate466 (30.8)<.001
    Severe666 (61.2)
Other injuriesc
    Present212 (88.3)<.001
    Absent933 (38.7)
Fractures
    Present400 (90.5)<.001
    Absent745 (33.7)
Retinal hemorrhage
    Present572 (88.0)<.001
    Absent573 (28.7)
  • ICH indicates intracranial hemorrhage.

  • a P from χ2 analysis.

  • b ICDMAP-90 was used to calculate ICD-9/AIS scores for the head region. ICD-9/AIS scores were categorized as mild (1–2), moderate (3), or severe (4–6).

  • c Other injuries included contusions (nonhead), burns, lacerations, and internal organ injuries.