| 
      
        | Variables | Days | Mean | ± SD | P-value |  
        | HR (bpm) | baseline | 214 | 21 | 0.261 |  
        | 30 | 209 | 26 |  
        | 72 | 190 | 51 |  
        | LVED (ml) | baseline | 0.51 | 0.09 | 0.127 |  
        | 30 | 0.52 | 0.12 |  
        | 72 | 0.59 | 0.08 |  
        | LVES (ml) | baseline | 0.25 | 0.05 | 0.048* |  
        | 30 | 0.32 | 0.14 |  
        | 72 | 0.33 | 0.05 |  
        | EF (%) | baseline | 50.3 | 4.52 | 0.03* |  
        | 30 | 47.2 | 5.63 |  
        | 72 | 45.2 | 2.66 |  
        | E (m/s) | baseline | 0.66 | 0.13 | 0.254 |  
        | 30 | 0.53 | 0.18 |  
        | 72 | 0.55 | 0.20 |  
        | A (m/s) | baseline | 0.31 | 0.03 | 0.051 |  
        | 30 | 0.42 | 0.20 |  
        | 72 | 0.26 | 0.15 |  
        | E/A ratio | baseline | 2.11 | 0.44 | 0.737 |  
        | 30 | 0.64 | 0.91 |  
        | 72 | 1.9 | 0.35 |  
        | Tei-index | baseline | 0.49 | 0.08 | 0.544 |  
        | 30 | 0.44 | 0.09 |  
        | 72 | 0.39 | 0.11 |  |