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| ECG normal | ECG abnormal | Total | |
| Non-high risk of SCD | 70,908 (64.6%) | 38,838 (35.4%) | 109,746 (100.0%) |
| High risk of SCD | 96 (14.0%) | 589 (86.0%) | 685 (100.0%) |
| Total | 71,004 (64.3%) | 39,427 (35.7%) | 110,431 (100.0%) |
ECG, electrocardiogram; SCD, sudden cardiac death.
