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Table 2 Echocardiographic variables between the AF group and the control group

From: Value of dual Doppler echocardiography for prediction of atrial fibrillation recurrence after radiofrequency catheter ablation

 

AF group (n = 67)

Control group (n = 47)

p Value

LA diameter (mm)

37.77 ± 6.28

29.34 ± 3.59

<  0.001

LA maximum volume index (mL/m2)

41.43 ± 5.73

27.83 ± 4.05

<  0.001

TE-e’(ms)

36.95 ± 7.05

22.17 ± 5.29

<  0.001

E/e’(S)

9.30 ± 2.80

7.55 ± 1.49

<  0.001

E/e’(L)

7.67 ± 1.37

5.88 ± 1.36

<  0.001

Tei index

0.50 ± 0.28

0.27 ± 0.06

<  0.001

E/Vp

1.24 ± 0.47

1.07 ± 0.34

0.029

PV-DT (ms)

153.1 ± 18.7

179.4 ± 15.6

<  0.001

IVRT (ms)

64.45 ± 9.84

70.62 ± 11.64

0.003

LV ejection fraction(%)

59.58 ± 12.25

61.97 ± 9.13

0.195

LV end-diastolic diameter (mm)

45.09 ± 3.84

44.30 ± 4.17

0.300

LV end-systolic diameter (mm)

26.56 ± 3.92

25.92 ± 3.60

0.376

  1. Data are expressed as mean ± SD LA left atrial; TE-e’ time interval between onset of E and of e’; PV-DT deceleration time of pulmonary venous diastolic velocity; IVRT isovolumic relaxation time; LV left ventricular
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