Demographic data at baseline
| Variable | Watchman V.2.5 (N=95) | Watchman FLX (N=74) | P value |
| Male sex | 40 (42.1%) | 41 (55.4%) | 0.09 |
| Age (years) | 77.1±7.5 | 75.4±7.6 | 0.14 |
| Height (cm) | 167±9 | 169±11 | 0.28 |
| Weight (kg) | 81±20 | 82±19 | 0.74 |
| CHA2DS2-VASc Score | 4.4±1.4 | 4.2±1.4 | 0.22 |
| HAS-BLED Score | 3.3±0.9 | 2.9±1.2 | 0.04 |
| eGFR (mL/min/1.73 m2) | 56.5±24.88 | 56.9±24.8 | 0.91 |
| Type of atrial fibrillation | 0.06 | ||
| Paroxysmal | 46 (48.4%) | 25 (33.8%) | |
| Persistent | 17 (17.9%) | 22 (29.7%) | |
| Permanent | 32 (33.7%) | 27 (36.5%) | |
| Hypertension | 85 (89.5%) | 62 (83.8%) | 0.28 |
| Diabetes mellitus | 39 (41.1%) | 30 (40.5%) | 0.95 |
| Ischaemic stroke/TIA | 17 (17.9%) | 11 (14.9%) | 0.6 |
| CAD | 37 (38.9%) | 27 (36.5%) | 0.75 |
CAD, coronary artery disease; eGFR, estimated glomerular filtration rate; TIA, transistoric ischaemic attack.