Table 1.
Patient characteristics.
| N = 511 | PNP (−) N = 482 | PNP (+) N = 29 | P value | |
|---|---|---|---|---|
| Sex (male) | 423 (83%) | 403 (84%) | 20 (69%) | 0.04 |
| Age (years) | 59.8 ± 10.1 | 59.3 ± 10.8 | 62.9 ± 9.5 | 0.59 |
| Body mass index (kg/m2) | 24.1 ± 3.2 | 24.1 ± 3.3 | 24.2 ± 3.4 | 0.93 |
| Left atrial diameter (mm) | 37.9 ± 16.3 | 37.9 ± 17.0 | 36.4 ± 5.4 | 0.25 |
| LVEF (%) | 64.4 ± 5.8 | 64.3 ± 5.8 | 64.1 ± 4.4 | 0.78 |
| eGFR (ml/min/1.73 m2) | 76.9 ± 17.0 | 76.7 ± 17.3 | 77.8 ± 13.8 | 0.81 |
| BNP (pg/ml) | 56.1 ± 72.5 | 56.1 ± 72.5 | 49.8 ± 45.7 | 0.66 |
| Hypertension | 207 (41%) | 194 (40%) | 13 (45%) | 0.63 |
| Diabetes mellitus | 52 (10%) | 50 (10%) | 2 (7%) | 0.55 |
| CHADS2 score | 0.7 ± 0.9 | 0.7 ± 0.9 | 0.7 ± 0.8 | 0.87 |
| CHA2DS2-VASc score | 1.2 ± 1.2 | 1.2 ± 1.3 | 1.4 ± 1.1 | 0.45 |
| Paroxysmal AF | 482 (94%) | 457 (95%) | 25 (86%) | 0.052 |
| Operator’s experience (cases) | ||||
| < 20 cases | 153 (30%) | 149 (30%) | 4 (22%) | 0.60 |
| < 30 cases | 205 (40%) | 199 (41%) | 6 (33%) | 0.54 |
| < 40 cases | 255 (50%) | 247 (50%) | 8 (44%) | 0.62 |
| < 50 cases | 296 (58%) | 286 (58%) | 10 (56%) | 0.81 |
The data are presented as the mean ± standard deviation.
LVEF left ventricular ejection fraction, eGFR estimated glomerular filtration rate, BNP B-type natriuretic peptide, AF atrial fibrillation.