Table 1. Baseline and clinical characteristics of the patients at the time of the ischemic stroke or TIA.
| N | Previous AF 2870 |
New AF 753 |
p value |
|---|---|---|---|
| Age, years | 78.7 [12.9] | 76.6 [13.6] | <0.001 |
| Age groups | <0.001 | ||
| • <65 | 333 (11.6) | 109 (14.5) | |
| • 65 to 74 | 696 (24.3) | 219 (29.1) | |
| • ≥75 | 1841 (64.1) | 425 (56.4) | |
| Female gender | 1592 (55.5) | 417 (55.4) | 0.967 |
| Heart rate | 75.0 [28.0] | 94.0 [43.0] | <0.001 |
| Hypertension | 1886 (65.8) | 442 (58.7) | <0.001 |
| Dyslipidemia | 990 (34.7) | 238 (31.8) | 0.141 |
| Diabetes | 607 (21.2) | 125 (16.6) | 0.006 |
| Coronary artery disease | 968 (33.8) | 151 (20.1) | <0.001 |
| Previous myocardial infarction | 415 (14.5) | 58 (7.7) | <0.001 |
| Other vascular diseases | 202 (7.0) | 23 (3.1) | <0.001 |
| Heart failure | 635 (22.1) | 66 (8.8) | <0.001 |
| CHA2DS2-VASc score | 4.0 [2.0] | 3.0 [2.0] | <0.001 |
| • 0–1 | 283 (9.9) | 120 (15.9) | |
| • 2 | 386 (13.4) | 151 (20.1) | <0.001 |
| • 3–5 | 1948 (67.9) | 449 (59.6) | |
| • >5 | 253 (8.8) | 33 (4.4) | |
| Surgery or other procedure <30 days prior to event | 179 (6.2) | 17 (2.3) | <0.001 |
| Cardioversion (electrical or chemical) <30 days prior to event | 93 (3.2) | 0 (0.0) | <0.001 |
| Type of AF | <0.001 | ||
| Paroxysmal | 1105 (42.6) | 474 (87.0) | |
| Persistent | 30 (1.2) | 8 (1.5) | |
| Chronic | 1461 (56.3) | 63 (11.6) |
Values are presented as median [interquartile range] or number (%).
Abbreviations: AF, atrial fibrillation; TIA, transient ischemic attack.