Kim et al reported a score for predicting mortality in a patient who is being discharged after an acute myocardial infarction. The authors are from multiple institutions in Korea with participation in the Korea Acute Myocardial Infarction Registry (KAMIR).
Patient selection: acute myocardial infarction with survival to discharge
Parameters:
(1) age in years
(2) Killip class from I to IV
(3) percutaneous coronary intervention (PCI)
(4) serum creatinine in mg/dL
(5) left ventricular ejection fraction (LVEF) in percent
(6) blood glucose on admission in mg/dL
Parameter
Finding
Points
age in years
< 65 years
0
65 to 74 years
1
>= 75 years
2
Killip class
I
0
II
1
III or IV
2
PCI
no
1
yes
0
serum creatinine
< 1.5 mg/dL
0
>= 1.5 mg/dL
1
LVEF
>= 40%
0
< 40%
1
blood glucose
<= 180 mg/dL
0
> 180 mg/dL
1
total score =
= SUM(points for all of the parameters)
Interpretation:
• minimum score: 0
• maximum score: 8
Score
1-Year Mortality
0
0.5%
1
1.1%
2
3.5%
3
10.8%
4
17.7%
5
26.8%
6 to 8
46.2%
Performance:
• The area under the ROC curve is 0.83 for AMI (STEMI and non-STEMI).
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