Clinical characteristics of 99 patients with ischaemic stroke in relation to frequency of atrial premature contractions
| Quartiles 1–3 (0–69 APCs) (n=75) | Quartile 4 (⩾70 APCs) (n=24) | Odds ratio (95% CI) | p Value | |
|---|---|---|---|---|
| Values are mean (SD). APC, atrial premature contraction; AF, atrial fibrillation; LV, left ventricle. | ||||
| Age (years) | 61 (14) | 70 (12) | 1.1 (1.01 to 1.09) | 0.01 |
| Male sex | 42 (56%) | 15 (63%) | 1.3 (0.5 to 3.4) | 0.58 |
| Coronary artery disease | 12 (16%) | 5 (21%) | 1.9 (0.6 to 6.0) | 0.25 |
| Diabetes | 15 (20%) | 6 (25%) | 1.3 (0.5 to 3.9) | 0.6 |
| Current or former cigarette smoker | 25 (33%) | 5 (21%) | 0.5 (0.2 to 1.6) | 0.25 |
| Dyslipidaemia | 31 (41%) | 13 (54%) | 1.7 (0.7 to 4.2) | 0.27 |
| Hypertension | 50 (67%) | 13 (54%) | 0.6 (0.2 to 1.5) | 0.27 |
| Two or more cardiovascular risk factors | 35 (47%) | 12 (50%) | 1.1 (0.5 to 2.9) | 0.78 |
| Echocardiographic findings | ||||
| Left atrial size (mm) | 39 (7) | 43 (9) | 1.1 (1.0 to 1.1) | 0.04 |
| LV mass index (g/m2) | 108 (36) | 122 (40) | 1.0 (0.996 to 1.0) | 0.17 |
| LV ejection fraction (%) | 0.66 (0.07) | 0.69 (0.08) | 1.1 (0.995 to 1.2) | 0.07 |
| Mitral regurgitation | 4 (5%) | 1 (4%) | 0.8 (0.1 to 7.2) | 0.74 |
| Paroxysmal AF | 4 (5%) | 8 (33%) | 8.9 (2.4 to 33.1) | 0.001 |