Duration of atrial activation (ms) with different atrial pacing modes at 500 ms cycle length
| Appendage | Coronary os | Dual site | Septum | |
| Range | 86 to 244 | 57 to 183 | 62 to 164 | 46 to 175 |
| Mean | 145 | 98 | 93 | 96 |
| SD | 37 | 30 | 26 | 28 |
| CI | 17 | 14 | 12 | 13 |
| Number of patients | 20 | 20 | 20 | 20 |