Table 2.
Distribution of single-lead rhythm assessment results in patients with diagnosed AF in the intervention arm at the first visit with completed rhythm assessment and according to the most abnormal result
| Possible AF | Unclassified | Normal | No analysis | |
|---|---|---|---|---|
| First visit with rhythm assessment | ||||
| All | 636 (31.5) | 348 (17.2) | 884 (43.7) | 154 (7.6) |
| Age (y) | ||||
| 65–74 | 201 (26.6) | 104 (13.8) | 410 (54.3) | 40 (5.3) |
| 75–84 | 305 (35.2) | 158 (18.2) | 305 (40.1) | 56 (6.5) |
| ≥85 | 130 (32.5) | 86 (21.5) | 126 (31.5) | 58 (14.5) |
| OAC at baseline | ||||
| No | 126 (19.2) | 106 (16.1) | 381 (58.0) | 44 (6.7) |
| Yes | 510 (37.4) | 242 (17.7) | 503 (36.8) | 110 (8.1) |
| Previous stroke | ||||
| No | 496 (31.3) | 273 (17.2) | 704 (44.4) | 114 (7.2) |
| Yes | 140 (32.2) | 75 (17.2) | 180 (41.4) | 40 (9.2) |
| CHA2DS2-VASc score | ||||
| Low risk∗ | 10 (21.7) | 5 (10.9) | 29 (63.0) | 2 (4.3) |
| Moderate risk∗ | 190 (28.7) | 91 (13.7) | 350 (52.8) | 32 (4.8) |
| High risk∗ | 436 (33.2) | 252 (19.2) | 505 (38.5) | 120 (9.1) |
| Transient AF in setting of secondary precipitant† | ||||
| No (n = 719) | 201 (28.0) | 124 (17.2) | 340 (47.3) | 54 (7.5) |
| Yes (n = 107) | 7 (6.5) | 18 (16.8) | 79 (73.8) | 3 (2.8) |
| Most “Abnormal” rhythm assessment | ||||
| All | 811 (40.1) | 382 (18.9) | 737 (36.4) | 92 (4.5) |
| Age (y) | ||||
| 65–74 | 256 (33.9) | 119 (15.8) | 358 (47.4) | 22 (2.9) |
| 75–84 | 373 (43.0) | 174 (20.1) | 288 (33.2) | 32 (3.7) |
| ≥85 | 182 (45.5) | 89 (22.3) | 91 (22.8) | 38 (9.5) |
| OAC at baseline | ||||
| No | 166 (25.3) | 143 (21.8) | 319 (48.6) | 29 (4.4) |
| Yes | 645 (47.3) | 239 (17.5) | 418 (30.6) | 63 (4.6) |
| Previous stroke | ||||
| No | 619 (39.0) | 298 (18.8) | 597 (37.6) | 73 (4.6) |
| Yes | 192 (44.1) | 84 (19.3) | 140 (32.2) | 19 (4.4) |
| CHA2DS2-VASc score | ||||
| Low risk∗ | 13 (28.3) | 4 (8.7) | 28 (60.9) | 1 (2.2) |
| Moderate risk∗ | 222 (33.5) | 110 (16.6) | 309 (46.6) | 22 (3.3) |
| High risk∗ | 576 (43.9) | 268 (20.4) | 400 (30.5) | 69 (5.3) |
| Transient AF in setting of secondary precipitant† | ||||
| No (n = 719) | 255 (35.5) | 136 (18.9) | 292 (40.6) | 36 (5.0) |
| Yes (n = 107) | 13 (12.1) | 28 (26.2) | 64 (59.8) | 2 (1.9) |
Values are given as n (%).
AF = atrial fibrillation; OAC = oral anticoagulation.
∗
Low risk: 1 (men), 2 (women); Moderate risk: 2–3 (men), 3–4 (women); High risk: 4+ (men), 5+ (women).
†
As determined by chart review among a subset of the sample (n = 826).