Female (%) |
115 (51) |
35 (42) |
0.139 |
Age at time of implant, years |
58 [36-71] |
61 [46-74] |
0.107 |
BMI (kg/m²) |
25,4 [22,3-28,7] |
25,1
[22,8-28,2] |
0.976 |
Risk factors |
|
|
|
Hypertension
|
78 (35)
|
34 (41)
|
0.345
|
Dyslipidemia
|
101 (45)
|
40 (48)
|
0.668
|
Diabetes
|
23 (10)
|
7 (8)
|
0.618
|
Heart failure
|
9 (4)
|
4 (5)
|
0.767
|
Current smoker
|
24 (11)
|
10 (12)
|
0.757
|
Ex-smoker
|
34 (15)
|
15 (18)
|
0.557
|
Baseline ECG characteristics |
|
|
|
PR interval
|
156 [142-176]
|
166 [143-202]
|
0.104
|
1st degree AV block
|
14 (6)
|
13 (16)
|
0.010
|
QRS duration
|
94 [84-104]
|
94 [84-110]
|
0.801
|
QTc time
|
423 [402-440]
|
423 [394-441]
|
0.598
|
Any BBB
|
18 (8)
|
12 (14)
|
0.097
|
RBBB
|
15 (7)
|
8 (10)
|
0.395
|
LBBB
|
3 (1)
|
4 (5)
|
0.090
|
Any QRS conduction abnormality
|
24 (11)
|
16 (19)
|
0.051
|
RBBB
|
15 (7)
|
8 (10)
|
0.395
|
LBBB
|
3 (1)
|
4 (5)
|
0.090
|
NIVCD
|
6 (3)
|
4 (5)
|
0.469
|
Bifasc. block
|
5 (2)
|
2 (2)
|
1.000
|
Trifasc. block
|
1 (1)
|
1 (1)
|
0.470
|
Number of syncope
|
1 [1-3]
|
1[1-3]
|
0.377
|
Trauma
|
46 (20)
|
15 (18)
|
0.611
|
Traffic Accident
|
13 (6)
|
6 (7)
|
0.657
|
During sports
|
12 (5)
|
4 (5)
|
0.840
|
EP study
|
138 (61)
|
43 (51)
|
0.107
|
AH interval
|
110 [94-131]
|
116 [94-151]
|
0.373
|
HV interval
|
42 [38-50] N=128
|
46 [40-50] N=38
|
0.041
|
Abnormal HV interval (>55 ms)
|
8 (6)
|
3 (8)
|
0.715
|
SNRT
|
1053 [918-1250]
|
1170 [945-1250]
|
0.432
|
Wenckebach punt
|
370 [320-420]
|
380 [335-423]
|
0.815
|
2:1 block
|
320 [290-370]
|
330 [290-360]
|
0.995
|