Lovelock et al reported a simple score for identify a patient with a minor stroke who should have a brain CT to detect intracerebral hemorrhage. The authors are from John Radcliffe Hospital in Oxford.
Patient selection: clinical minor stroke
Parameters)
(1) severe hypertension (S)
(2) confusion (C)
(3) anticoagulation (A)
(4) nausea and vomiting (N)
Parameter
Finding
Points
severe hypertension
no
0
yes
1
confusion
no
0
yes
1
anticoagulation
no
0
yes
1
nausea and vomiting
no
0
yes
1
total score =
= SUM(points for all of the parameters)
Interpretation:
• minimum score: 0
• maximum score: 4
• A score >=1 is associated with intracerebral hemorrhage.
Performance:
• The area under the ROC curve is 0.87.
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