Table 1. Demographic characteristics, echocardiographic parameters, P-wave indexes, and CHA2DS2-VASc score.
| Variable | Category/ Measurements |
Frequency (%)/ Measurements |
|---|---|---|
| Age | Mean (SD) | 62.4 (12.6) |
| Age range | 18–64 | 140 (51.5) |
| 65–74 | 89 (32.7) | |
| ≥75 | 43 (15.8) | |
| Gender | Male | 118 (43.4) |
| Female | 154 (56.6) | |
| BMI (kg/m2) | Mean (SD) | 28.4 (5.5) |
| HF | 57 (21.0) | |
| HTN | 223 (82.0) | |
| DM | 93 (34.2) | |
| Stroke/TIA | 16 (5.9) | |
| Atherosclerotic disease | 96 (35.3) | |
| Dyslipidemia | 197 (72.4) | |
| Hypothyroidism | 43 (15.8) | |
| Smoking | Smoker | 15 (5.5) |
| Former smoker | 69 (25.4) | |
| Never smoker | 188 (69.1) | |
| Beta-blocker | 185 (68.0) | |
| Antiarrhythmic | 49 (18.0) | |
| LA (mm) | Mean (SD) | 40.1 (5.1) |
| LVEF (%) | Median (variation) | 62.0 (22–79) |
| LV (mm) | Median (variation) | 50 (36–88) |
| LV mass (g) | Median (variation) | 198 (36–464) |
| LV indexed mass (g/m2) | Median (variation) | 113.1 (34–243) |
| Average PWD (ms) | Mean (SD) | 110.3 (14.2) |
| P SD (ms) | Mean (SD) | 14.4 (4.1) |
| P variability | Median (variation) | 0.13 (0.03–0.24) |
| Maximum P (ms) | Mean (SD) | 131.9 (15.2) |
| Minimum P (ms) | Mean (SD) | 85.5 (16.1) |
| P dispersion (ms) | Median (variation) | 44.0 (16–108) |
| PVL1 (mm) | Median (variation) | 0.8 (0.3–2.2) |
| P amplitude (mm) | Median (variation) | 1.1 (0.2–2.6) |
| PPRi | Median (variation) | 0.69 (0.34–1.24) |
| P-wave peak time (ms) | Median (variation) | 60 (28–100) |
| PRi (ms) | Median (variation) | 172 (88–276) |
| Morris index | 42 (15.4) | |
| CHA2DS2-VASc | Median (variation) | 3.0 (0–7) |
| CHA2DS2-VASc | 0 | 5 (1.8) |
| 1 | 31 (11.4) | |
| 2 | 67 (24.6) | |
| 3 | 68 (25.0) | |
| 4 | 59 (21.7) | |
| 5 | 31 (11.4) | |
| 6 | 10 (3.7) | |
| 7 | 1 (0.4) | |
| High CHA2DS2-VASc | 193 (71.0) |
BMI: body mass index; DM: diabetes mellitus; HF: heart failure; LA: left atrium; LV: left ventricle; LVEF: left ventricular ejection fraction; PPRi: P/PR ratio; PRi: PR interval; PVL1: P-wave voltage in lead I; PWD: P-wave duration; HTN: hypertension; SD: standard deviation; TIA: transient ischemic attack.