Parameters | 1 month | 3 months | 6 months | 12 months |
Change in patient’s view of progress of QOL Improved No change Worse |
3 8 0 |
5 6 0 |
9 2 0 |
10 1 0 |
Change in NYHA functional class Improved by two or more classes Improved by one class No change Worsened |
0 1 10 0 |
3 6 2 0 |
6 3 2 0 |
6 4 1 0 |
Mean Interval QRS duration (msec) Mean LV ejection fraction (%) Mean LV end-diastolic dimension (mm) Mean LV systolic dimension (mm) | 131 ± 5 - 61 ± 3 44 ± 15 | - 29 ± 3 59 ± 8 42 ± 8 | 130 ± 12 36 ± 3 57 ± 13 37 ± 4 | 130 ± 9 40 ± 3 56 ± 6 35 ± 7 |