Variable Genetic testing Genetic testing p
No (N = 68) Yes (N = 25)
Spontaneous type-1, n (%) 51 (75) 16 (66.7) 0.430
Symptoms 12 (17.6) 5 (20.8) 0.764*
Syncope, n (%) 5 (7.4) 5 (20.8) 0.120*
SCD, n (%) 7 (10.3) 0 (0) 0.184*
FH of SCD, n (%) 36 (52.9) 18 (72) 0,090
PR (ms), mean ± SD 168 ± 26 182 ± 42 0.049**
QRS duration DII (ms), mean ± SD 105 ± 18 110 ± 21 0.336**
QRS duration in V2 (ms), mean ± SD 105 ± 18.4 107 ± 20.7 0.696**
aVR sign, n/N (%) 9/66 (13.6) 13/23 (56.5) <0.001
S-wave in lead I, n/N (%) 32/66 (48.5) 18/23 (78.3) 0.015
ER peripheral leads, n/N (%) 7/65 (10.8) 1/23 (4.3) 0.675
QRS-f, n/N (%) 5/65(7.7) 7/23 (30.4) 0.012*
Inducible VT/VF, n/N (%) 18/48 (37.5) 6/16 (37.5) 1.000
HV interval, mean ± SD 49 ± 7 67 ± 16 <0.001**
eVRP<200ms, n/N (%) 7/38 (18.4) 2/16 (12.5) 0.709*
LAE, n/N (%) 3/27 (11.1) 3/10 (30) 0.313*