Gayathri et al reported the Bedside Dengue Severity Score for identifying a child with severe dengue. The authors are from Hospital for Children and Madras Medical College in Chennai, India.
Patient selection: pediatric patient with dengue, from 3 to 10 years (mean 6.4 +/- 3.4)
Parameters:
(1) narrow pulse pressure (<= 20 mm Hg)
(2) mucosal bleeding
(3) third space fluid loss
Parameter
Finding
Points
narrow pulse pressure
no
0
yes
4.234
mucosal bleeding
none
0
any
1.284
third space fluid loss
no
0
yes
0.489
score =
= SUM(points for all of the parameters) - 1.297
Interpretation:
• minimum score: -1.297
• maximum score: 4.71
• A score closer to -1.056 was associated with non-severe dengue.
• A score closer to 2.913 was associated with severe dengue.
• The score has the appearance of a logistic regression model.
Performance:
• The overall predictive accuracy was 0.95.
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