Table 3. Multivariate linear regression results for detecting independent factors on log-transformed plasma NT-proBNP in AF patients.
| Variable | t | P value |
| Age | 3.415 | 0.001 |
| Gender | 1.763 | 0.079 |
| AF duration | 0.721 | 0.471 |
| Nonparoxysmal AF | 0.026 | 0.979 |
| Smoking | 1.559 | 0.120 |
| Diabetes mellitus | 0.987 | 0.325 |
| Hypertension | 0.221 | 0.826 |
| CHD | 0.062 | 0.951 |
| Serum creatinine | 0.810 | 0.419 |
| Systolic blood pressure | −0.149 | 0.881 |
| Diastolic blood pressure | 1.546 | 0.124 |
| LAD | 7.098 | 0.000 |
| LVEDD | 0.938 | 0.349 |
| LVEF | −0.423 | 0.672 |
| Heart rate | −0.358 | 0.720 |
| Warfarin | 0.234 | 0.815 |
| Aspirin | −0.785 | 0.433 |
| ACEI/ARB | −2.080 | 0.039 |
| Statin | 1.045 | 0.297 |
| CCB | 1.801 | 0.069 |
| βblocker | 0.916 | 0.361 |
| Profenanone | 0.290 | 0.772 |
| Amiodarone | 1.132 | 0.259 |
| BMI | −10.063 | 0.000 |
NT-proBNP = N-terminal proB-type natriuretic peptide; AF = Atrial fibrillation; CHD = Coronary heart disease; LAD = Left atrial diameter; LVEDD = Left ventricular end diastolic diameter; LVEF = Left ventricular ejection fraction; ACEI = Angiotensin-converting enzyme inhibitor; ARB = Angiotensin receptor blocker; CCB = Calcium channel blocker; BMI = body mass index.