Baseline characteristics of participants with AF detected versus those not detected by SL-ECG
| Total (n=13 122) | AF detected by SL-ECG (n=239) | AF not detected by SL-ECG (n=12 883) | p Value | |
|---|---|---|---|---|
| Age (years) | 64.7±13.4 | 75.1±9.5 | 64.6±13.4 | <0.001 |
| Sex (F), n (%) | 9384 (71.5) | 134 (56.1) | 9250 (71.8) | <0.001 |
| Weight (kg) | 58.9±10.5 | 61.2±11.4 | 58.9±10.5 | <0.001 |
| Height (cm) | 157.5±8.6 | 158.5±8.9 | 157.5±8.6 | 0.09 |
| BMI (kg/m2) | 23.7±3.6 | 24.3±3.7 | 23.7±3.6 | <0.001 |
| Waist circumference (cm) | 83.2±9.8 | 86.8±10.3 | 83.2±9.8 | <0.001 |
| Comorbid conditions | ||||
| Hypertension, n (%) | 5012 (38.2) | 92 (38.5) | 4920 (38.2) | 0.948 |
| Diabetes, n (%) | 1944 (14.8) | 61 (25.5) | 1883 (14.6) | <0.001 |
| Hyperlipidaemia, n (%) | 2613 (19.9) | 58 (24.3) | 2555(19.8) | 0.099 |
| Heart failure, n (%) | 97 (0.7) | 13 (5.4) | 84 (0.7) | <0.001 |
| Stroke, n (%) | 367 (2.8) | 24 (10) | 343 (2.7) | <0.001 |
| Coronary artery disease, n (%) | 295 (2.2) | 15 (6.3) | 280 (2.2) | <0.001 |
| Valvular heart disease, n (%) | 114 (0.9) | 18 (7.5) | 96 (0.7) | <0.001 |
| Peripheral vascular disease, n (%) | 66 (0.5) | 3 (1.3) | 63 (0.5) | 0.119 |
| Obstructive sleep apnoea, n (%) | 146 (1.1) | 2 (0.8) | 144 (1.1) | 1.000 |
| Thyroid disease, n (%) | 517 (3.9) | 5 (2.1) | 512 (4.0) | 0.177 |
| COPD, n (%) | 56 (0.4) | 0 | 56 (0.4) | 0.628 |
| Cardiothoracic surgery, n (%) | 354 (2.7) | 25 (10.5) | 329 (2.6) | <0.001 |
AF, atrial fibrillation; BMI, body mass index; COPD, chronic obstructive pulmonary disease; F, female; SL-ECG, wireless single-lead ECG.