Table 1. Baseline characteristics.
|
|
Number (N=599) |
Percentage (IQR) |
|---|---|---|
|
Median age, years |
77 |
(71.5–83.8) |
|
Male gender |
411 |
68.7 |
|
Pacemaker |
317 |
52.9 |
|
ICD |
56 |
9.4 |
|
CRT-P |
64 |
10.7 |
|
CRT-D |
72 |
12.0 |
|
Upgrade to CRT-D |
18 |
3.0 |
|
Various* |
17 |
2.8 |
|
Generator exchange |
43 |
7.2 |
|
S-ICD |
12 |
2.0 |
|
High-energy device** |
140 |
23.4 |
|
Operator |
|
|
|
One |
101 |
16.86 |
|
Two |
304 |
50.75 |
|
Three |
105 |
17.53 |
|
Four |
55 |
9.18 |
|
Five |
34 |
5.68 |
*
Various includes new pace/sense lead, wound revision and lead revision, downgrade to CRT-P, lead removal and ILR removal
**
High-energy device comprises ICD, CRT-D and S-ICD
Key: CRT-D = cardiac resynchronisation therapy and defibrillator; CRT-P = cardiac resynchronisation therapy and pacemaker; ICD = implantable cardioverter defibrillator; ILR = implantable loop recorder; IQR = interquartile range; S-ICD = subcutaneous implantable cardioverter defibrillator