| Group I | Group I with AF | P value | Group II | Group II with AF | P value |
NT proBNP pg/ml (T1) | 15.56 | 30.28 | 0.014 | 13.14 | 21.35 | 0.003 |
NT proBNP pg/ml (T2) | 16.11 | 35.34 | 0.008 | 16.84 | 24.92 | 0.002 |
NT proBNP pg/ml (T3) | 18 | 37.17 | 0.001 | 18.49 | 28 | 0.008 |
NT proBNP pg/ml (T4) | 22.27 | 40 | 0.007 | 19 | 31.48 | 0.000 |