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Table 3 ECG parameters comparing both groups

From: Comparison of the early cardiac electromechanical remodeling following transcatheter and surgical secundum atrial septal defect closure in adults

 

Group 1 (device closure)

(n = 15)

Group 2 (surgical closure)

(n = 15)

P value

Heart rate (bpm)

   

 Baseline

92 ± 10.14

93 ± 9.59

0.78

 Post closure

78 ± 6.76

78.67 ± 11.87

0.85

 Percentage of change

(−) 14.68 ± 8.07

(−) 15.40 ± 8.89

0.81

P wave maximum (ms)

   

 Baseline

97.33 ± 16.67

97.33 ± 12.79

0.99

 Post closure

76 ± 15.49

73.33 ± 16.32

0.65

 Percentage of change

(−) 21.67 ± 9.51

(−) 24.88 ± 10.41

0.38

P wave minimum (ms)

   

 Baseline

68 ± 16.56

66.67 ± 12.34

0.80

 Post closure

48.67 ± 12.45

45.33 ± 11.87

0.45

 Percentage of change

(−) 27.89 ± 9.90

(−) 31.11 ± 14.93

0.49

P wave dispersion (ms)

   

 Baseline

29.33 ± 10.32

32 ± 12.64

0.53

 Post closure

27.33 ± 9.61

28 ± 10.14

0.85

 Percentage of change

(-) 3.67 ± 0.36

(−) 8.88 ± 3.78

0.47

QRS complex (ms)

   

 Baseline

104 ± 18.82

106.67 ± 14.47

0.66

 Post closure

80 ± 18.51

86.67 ± 17.99

0.32

 Percentage of change

(-) 22.84 ± 11.64

(-) 19.11 ± 10.25

0.36

QT maximum (ms)

   

 Baseline

478.53 ± 36.79

470.53 ± 65.70

0.68

 Post closure

412.53 ± 38.03

405.93 ± 63.08

0.73

 Percentage of change

(−) 13.63 ± 6.98

(−) 13.67 ± 6.98

0.98

QT minimum (ms)

   

 Baseline

405.73 ± 41.27

389.80 ± 63.74

0.42

 Post closure

345.53 ± 71.84

345.67 ± 56.40

0.99

 Percentage of change

(−) 14.99 ± 5.88

(−) 11.11 ± 6.29

0.38

QT dispersion (ms)

   

 Baseline

70.33 ± 24.04

80.73 ± 30.38

0.30

 Post closure

60.26 ± 28.56

60.27 ± 28.57

0.66

 Percentage of change

(−) 19.33 ± 11.28

(−) 24.98 ± 10.16

0.42

  1. P max P wave maximum, P min P wave minimum, Pd P wave dispersion, QTD QTdispersion. Data expressed as frequency (percentage), mean (SD). P value was significant if < 0.05