Table 3 Electrical cardioversion procedure characteristics in both surveys (2003 versus 2010)
Characteristic | 2003 survey (n = 436) | 2010 survey (n = 397) | P |
|---|---|---|---|
Mean ± SD or n (%) | Mean ± SD or n (%) | ||
Use of biphasic energy | 70 (16) | 349 (88) | <0.001 |
Successful ECV (overall) | 374 (86) | 355 (89) | 0.21 |
- Monophasic energy | 313 (85) | 42 (87) | 0.69 |
- Biphasic energy | 61 (89) | 313 (90) | 0.90 |
Number of shocks (overall) | 1.73 ± 0.9 | 1.5 ± 0.9 | 0.0001 |
- Monophasic shocks | 1.76 ± 0.9 | 1.70 ± 0.83 | 0.90 |
- Biphasic shocks | 1.61 ± 0.86 | 1.45 ± 0.78 | 0.07 |
Energy delivered (overall) (J) | 239 ± 90 | 165 ± 63 | 0.0001 |
- Monophasic shocks | 253 ± 77 | 234 ± 81 | 0.11 |
- Biphasic shocks | 166 ± 95 | 154 ± 51 | 0.48 |