Table 2 ECG parameters before and after ASD closure in device and surgical group

HR (bpm)

92 ± 10.14

78 ± 6.76

< 0.001

93 ± 9.59

78.67 ± 11.87

< 0.001

P max(ms)

97.33 ± 16.67

76 ± 15.49

< 0.001

97.33 ± 12.79

73.33 ± 16.32

< 0.001

P min(ms)

68 ± 16.56

48.67 ± 12.45

< 0.001

66.67 ± 12.34

45.33 ± 11.87

< 0.001

Pd (ms)

29.33 ± 10.32

27.33 ± 9.61

0.42

32 ± 12.64

28 ± 10.14

0.08

QRS (ms)

104 ± 18.82

80 ± 18.51

< 0.001

106.67 ± 14.47

86.67 ± 17.99

< 0.001

QTc max(ms)

478.53 ± 36.79

412.53 ± 38.03

< 0.001

470.53 ± 65.70

405.93 ± 63.08

< 0.001

QTD (ms)

70.33 ± 24.04

60.26 ± 28.56

0.003

80.73 ± 30.38

60.27 ± 28.57

0.001