Stewart et al evaluated preschool children for factors associated with postburn pruritus. The study included patients with small burns (TBSA < 20%, average 4%). The authors are from the Johns Hopkins University.
Pruritis is associated with:
(1) child irritability
(2) delayed sleep onset
(3) sleep disturbance
(4) parent distress
Patient selection: age from 0 to 4 years in first month postinjury
Parameters:
(1) child's sex
(2) child's race
(3) child's age in years
(4) burn severity
(5) total burn surface area in percent
(6) days since burn
(7) graft
Parameter
Finding
Points
sex
male
0
female
-0.014
race
white
0
ethnic minority
0.138
age
0.043 * (age)
burn severity
superficial
0.033
partial thickness
0.066
full thickness
0.099
total burn surface area
0.137 * (percent)
days since burn
0.253 * (days)
graft
no
0
yes
0.042
X =
= SUM(points for all of the parameters) - 3.853
probability of pruritus =
= 1 / (1 + EXP((-1) * X))
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