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