Table 1.
Patient and procedure characteristics
| Total (n = 5918) | No complication (n = 5356) | Complication (n = 562) | |
|---|---|---|---|
| Gender | |||
| Male | 3707 (63) | 3382 (63) | 325 (58) |
| Female | 2211 (37) | 1974 (37) | 237 (42) |
| Age group, years | |||
| 0–39 | 166 (3) | 149 (3) | 17 (3) |
| 40–59 | 713 (12) | 633 (12) | 80 (14) |
| 60–79 | 3096 (52) | 2775 (52) | 321 (57) |
| ≥80 | 1943 (33) | 1799 (34) | 144 (26) |
| Body mass index, kg/m2 | |||
| Underweight (<18.5) | 163 (3) | 139 (3) | 24 (4) |
| Normal (18.5–24.9) | 2483 (42) | 2236 (42) | 247 (44) |
| Overweight (25–29.9) | 2136 (36) | 1952 (37) | 184 (33) |
| Obese (≥30) | 1126 (19) | 1019 (19) | 107 (19) |
| Centre volume | |||
| 0–249 | 702 (12) | 642 (12) | 60 (11) |
| 250–499 | 1517 (26) | 1355 (25) | 162 (29) |
| 500–749 | 1912 (32) | 1697 (32) | 215 (38) |
| ≥750 | 1787 (30) | 1662 (31) | 125 (22) |
| CIED type | |||
| Single-chamber PM | 1160 (20) | 1080 (20) | 80 (14) |
| Dual-chamber PM | 3029 (51) | 2758 (52) | 271 (48) |
| CRT-P | 209 (4) | 189 (4) | 20 (4) |
| Single-chamber ICD | 684 (12) | 627 (12) | 57 (10) |
| Dual-chamber ICD | 391 (7) | 336 (6) | 55 (10) |
| CRT-D | 445 (8) | 366 (7) | 79 (14) |
| Procedure type | |||
| New implant | 4355 (74) | 3923 (73) | 432 (77) |
| Generator replacement | 1136 (19) | 1069 (20) | 67 (12) |
| System upgrade or lead revision | 427 (7) | 364 (7) | 63 (11) |
| Operator volume | |||
| 0–49 | 349 (6) | 301 (6) | 48 (9) |
| 50–99 | 1436 (24) | 1309 (24) | 125 (22) |
| 100–149 | 2257 (38) | 2027 (38) | 230 (41) |
| ≥150 | 1876 (32) | 1717 (32) | 159 (28) |
| Procedure priority | |||
| Elective | 5267 (89) | 4773 (89) | 498 (89) |
| Emergency, daytime | 340 (6) | 308 (6) | 33 (6) |
| Emergency, out-of-hours | 221 (4) | 195 (4) | 26 (5) |
| Procedure duration, median | 40 (30–56) | 40 (30–55) | 47 (36–65) |
Continuous variables are reported as median with 25th and 75th percentiles. Categorical variables are reported as absolute frequencies and percentages.
Data were incomplete for the following parameters: body mass index (n = 5908), procedure priority (n = 5828), and procedure duration (n = 5828).