Table 4.

The dynamic changes of LVEF.

Group	LVEF-0M	LVEF-1M	LVEF-3M	LVEF-6M	LVEF-9M	LVEF-12M	NYHA-0M
1	32.1 ± 8.6	42.8 ± 13.9	42.5 ± 18.1	32.6 ± 4.8	36.5 ± 8.3	35.2 ± 9.0	3.9 ± 0.3
2	37.1 ± 11.7	48.3 ± 13.7	56.6 ± 12.8h	54.1 ± 13.6b, g	52.9 ± 14.9a, g	57.6 ± 7.2b, h	3.6 ± 0.5
3	30.6 ± 7.5	37.5 ± 9.1	46.8 ± 14.7g	43.7 ± 8.9a, h	50.0 ± 9.1a, h	57.5 ± 23.6b, h	3.7 ± 0.5
A	34.8 ± 8.6	41.2 ± 12.1	44.5 ± 18.4	40.2 ± 13.4	41.5 ± 8.8	42.2 ± 11.2	3.9 ± 0.3
B	33.1 ± 10.7	39.5 ± 9.2e	44.8 ± 13.3f	47.8 ± 12.7f	50.6 ± 11.7c, f	56.1 ± 10.2d	3.5 ± 0.6b, f

Group 1, WPW-B+SVT/IVS/CLBBB; Group 2, AF/Af/AT; Group 3, PVC/VT; Group A, EFE with arrythmia; Group B, EFE without arrythmia.

^ap < 0.05, compared to Group 1;

^bp < 0.01, compared to Group 1;

^cp < 0.05, compared to Group A;

^dp < 0.01, compared to group A;

^ep < 0.05, compared to Group A;

^fp < 0.01, compared Group A;

^gp < 0.05, compared to LVEF-0M;

^hp < 0.01 compared to LVEF-0M.