Hansen et al reported a score for predicting inpatient mortality for a patient with encephalitis. This can help to identify a patient who may benefit from more aggressive management. The authors are from Baylor College of Medicine, Umm Al-Qura University and UT Health McGovern Medical School.
Patient selection: encephalitis, all-cause
Outcome: inpatient mortality
Parameters seen on admission:
(1) Glasgow coma scale
(2) Charlson comorbidity index
(3) platelet count per microliter
(4) cerebral edema
Parameter
Finding
Points
Glasgow coma scale
3 to 7
2
8 to 15
0
Charlson comorbidity
0 to 2
0
>= 3
1
platelet count
>= 150,000 per µL
0
< 150,000 per µL
1
cerebral edema
no
0
yes
1
total score =
= SUM(points for all of the parameters)
Interpretation:
• minimum score: 0
• maximum score: 5
Score
Mortality
0
0%
1
7%
2
11%
3
37%
4 or 5
82%
Performance:
• The area under the ROC curve is 0.87.
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