Table 2. Concordance and discordance rates between iPhone- and device-based AF detection in patients with implantable devices.
| Patient | Concordant | Discordant | Total | ||||
|---|---|---|---|---|---|---|---|
| Both AF | Both SR | Concordance rate | iPhone AF/device SR | iPhone SR/device AF | Discordance rate | ||
| #2 | 11 | 548 | 98.9% | 2 | 4 | 1.1% | 565 |
| #8 | 7 | 364 | 99.7% | 1 | 0 | 0.3% | 372 |
| #22 | 13 | 684 | 99.3% | 0 | 5 | 0.7% | 702 |
| #32 | 0 | 582 | 100% | 0 | 0 | 0% | 582 |
| #47 | 17 | 328 | 70.7% | 0 | 143 | 29.3% | 488 |
| Total | 48 | 2,506 | 94.3% | 3 | 152 | 5.7% | 2,709 |