Variable

Abnormal ECG

N = 45

Normal ECG

N = 35

P value

Positive abnormalities in Holter

38 (84.4%)

14 (40%)

<0.0001

Variable

Abnormal Holter

N = 52

Normal Holter

N = 28

P value

Positive diagnosis

29 (55.8%)

1 (3.6%)

<0.0001

Positive management

19 (36.5%)

0

<0.0001