Greenberg et al reported the Children's Intracranial Injury Decision Aid (CHIIDA) for evaluating pediatrc patients with mild head trauma and intracranial injury. The authors are from Washington University in St. Louis.
Patient selection: pediatric head injury with Glasgow coma score 13 to 15
Outcom: neurosurgical intervention, intubation for > 24 hours for head trauma, death
Parameters:
(1) depressed skull fracture
(2) midline shift
(3) epidural hematoma
(4) Glasgow coma score (GCS)
Parameter
Finding
Points
beta-coefficient
depressed skull fracture
absent
0
0
present
7
1.9
midline shift
absemt
0
0
present
7
1.9
epidural hematoma
absent
0
0
present
5
1.2
GCS
15
0
0
14
2
0.46
13
5
1.2
total score =
= SUM(points for all 4 parameters)
X =
= SUM(beta-coefficients) - 3.6
probability of composite outcome =
= 1 / (1 + EXP((-1) * X))
Interpretation:
• minimum score: 0
• maximum score: 24
• The higher the score the greater the risk of the composite outcome.
