Holkeri et al reported a score based on electrocardiographic findings that are associated with sudden cardiac death. The authors are from University of Helsinki, Oulu University and Finnish Institute for Health and Welfare.
Patient selection: general population
Outcome: sudden cardiac death
Parameters:
(1) heart rate in beats per minute
(2) PR duration in milliseconds
(3) QRS duration in milliseconds
(4) left ventricular hypertrophy
(5) T wave inversion
Parameter
Finding
Points
heart rate
<= 80 beats per minute
0
> 80
1
PR duration
<= 220 ms
0
> 220 ms
1
QRS duration
<= 110 ms
0
> 110 ms
1
left ventricular hypertrophy
no
0
yes
1
T wave inversion
no
0
yes
1
total score =
= SUM(points for all of the parameters)
Interpretation:
• minimum score: 0
• maximum score: 5
Total Score
HR Sudden Cardiac Death
10-Year OS
0
1
92%
1
3.1
81%
2
5.6
56%
>= 3
10.2
31%
Performance:
• The area under the ROC curve is 0.90.
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