Description

Hong et al reported 3 models for predicting outcome for a patient with subarachnoid hemorrhage. These include ECG changes as well as conventional scores. The authors are from Yonsei University in South Korea.


Patient selection: adult with subarachnoid hemorrhage

 

Outcome: poor if Glasgow Outcome Scale 1, 2 or 3.

 

Parameters:

(1) age in years

(2) Hunt and Hess (HH) grade from 1 to5

(3) ST depression or tall T waves

 

Parameter

Finding

Points

age

 

0.0671 * (age)

WFNS grade

 

1.5685 * (HH grade)

ST depression or tall T waves

no

0

 

yes

2.8352

 

value of X =

= SUM(points for the 3 parameters) - 8.4664

 

probability of poor prognosis at 6 months =

= 1 / (1 + EXP((-1) * X))

 

Performance:

• The area under the ROC curve is 0.9 (0.81 in external validation).


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