Table 3: Comparison of groups with and without arrhythmic events.

Parameters

Patients with an event (n = 8)

Patients with no event (n = 32)

p-value

Age, year

34 ± 11

35 ± 13

0.832

Male sex

3 (37.5)

29 (90.6)

0.004

Manifest Type1 ECG

6 (75.0)

7 (21.9)

0.008

Symptom (at admission)

6 (75.0)

25 (78.1)

1.000

Palpitation

4 (50.0)

14 (43.8)

1.000

Syncope

4 (50.0)

21 (65.6)

0.444

Vasovagal syncope

0

13 (40.6)

0.037

SCD

2 (25.0)

0

0.036

VT/VF history

3 (37.5)

2 (6.3)

0.046

Agonal respiration

1 (12.5)

0

0.200

Family history of BS

4 (50.0)

14 (43.8)

1.000

Family history of syncope

3 (37.5)

12 (37.5)

1.000

Family history of SCD

3 (37.5)

13(40.6)

1.000

Positive ajmaline test

3 (37.5)

28 (87.5)

0.008

Positive propafenone test

2 (25.0)

4 (12.5)

0.580

AF in the basal ECG

1 (12.5)

0

0.200

EPS

8 (100.0)

18 (56.3)

0.034

EPS, arrhythmia

5 (62.5)

11 (34.4)

0.229

ICD

7 (87.5)

11 (34.4)

0.014

Data are given as mean ± standard deviation for continuous variables and as frequency (percentage) for categorical variables.

BS: Brugada Syndrome; ICD: Implantable Cardioverter Defibrillator; EPS: Electrophysiological Study; VT: Ventricular Tachycardia; VF: Ventricular Fibrillation; AF: Atrial Fibrillation; SCD: Sudden Cardiac Death