Kernan expanded his Stroke Prognosis Instrument I (SPI-I), creating the SPI-II. The author is from Yale University.
Patient selection: transient ischemic attack (TIA) or nondisabling ischemic stroke
Parameters:
(1) age in years
(2) diabetes mellitus
(3) hypertension
(4) coronary heart disease
(5) stroke vs TIA at baseline event
(6) congestive heart failure
(7) prior stroke
|
Parameter
|
Finding
|
Points
|
|
age in years
|
<= 70 years
|
0
|
|
|
> 70 years
|
2
|
|
diabetes
|
no
|
0
|
|
|
yes
|
3
|
|
hypertension
|
no
|
0
|
|
|
yes
|
1
|
|
coronary heart disease
|
no
|
0
|
|
|
yes
|
1
|
|
baseline event
|
TIA
|
0
|
|
|
stroke
|
2
|
|
congestive heart failure
|
no
|
0
|
|
|
yes
|
3
|
|
prior stroke
|
no
|
0
|
|
|
yes
|
3
|
total score =
= SUM(points for all of the parameters)
Interpretation:
• minimum score: 0
• maximum score: 15
|
Total Score
|
Risk Group
|
2-Year Risk Stroke or Death
|
|
<= 3
|
Group I
|
9%
|
|
4 to 7
|
Group II
|
17%
|
|
8 to 15
|
Group III
|
23%
|
Performance:
• The area under the ROC curve is 0.63.
