Table 5.

Comparison of cardiovascular adverse events 3 months after surgery among the three groups (n(%)).

Group	Heart failure	Ventricular fibrillation	Death	Total incidence of cardiovascular adverse events
Group A (n = 28)	3 (10.71)	0 (0.00)	0 (0.00)	3 (10.71)c
Group B (n = 28)	4 (14.29)	2 (7.14)	1 (3.57)	7 (25.00)c
Group C (n = 28)	9 (32.14)	3 (10.71)	3 (10.71)	15 (53.57)

^aSame group comparison before treatment (P < 0.05). ^bComparison with group B (P < 0.05). ^cComparison with group C (P < 0.05).