Table 2.
Comparison between patients with and without paroxysmal atrial fibrillation (PAF)
| Patient characteristics | PAF, N = 21 | No AF, N = 142 | p |
|---|---|---|---|
| Age (years) | 81 ± 9 | 67 ± 15 | <0.001 |
| Sex, female | 8 (38) | 53 (37) | 0.946 |
| Current smoking | 1 (5) | 20 (14) | 0.234 |
| Hypertension | 17 (81) | 95 (67) | 0.195 |
| Diabetes | 3 (14) | 24 (17) | 0.763 |
| Dyslipidemia | 7 (33) | 54 (38) | 0.678 |
| Previous AF/PAF diagnosis | 5(24) | 8 (6) | 0.004 |
| Antiarrhythmic drugs | 11 (52) | 35(25) | 0.009 |
| CHA2DS2-Vasc | |||
| Median | 5 | 4.5 | |
| 25th percentile | 4 | 3 | 0.013 |
| 75th percentile | 6 | 6 | |
| NIHSS | 7 ± 7 | 4 ± 5 | 0.146 |
| QTc (ms) | 458 ± 30 | 432 ± 34 | 0.002 |
| Thrombolysis | 3 (15) | 20 (14) | 0.922 |
| Left atrial volume | |||
| Normal (< 40 mL/m2) | 9 (50) | 77 (72) | |
| Enlarged (40–45 mL/m2) | 4 (22) | 14 (13) | 0.175 |
| Severely enlarged (> 45 mL/m2) | 5 (28) | 16 (15) | |
| Not available | 3 | 35 | |
| Left atrial diameter | |||
| Normal (< 39 mm) | 2 (18) | 43 (41) | 0.296 |
| Enlarged (39–50 mm) | 8 (73) | 51 (50) | |
| Severely enlarged (> 50 mm) | 1(9) | 9 (9) | |
| Not available | 10 | 39 | |
| SRA risk score | |||
| High-risk score | 20 (95.2%) | 32 (22.5%) | < 0.001 |