Skip to main content

Table 2 Comparison of P-wave related electrical indexes between two groups (\(\overline{x} \pm s\))

From: Effectiveness of P-wave ECG index and left atrial appendage volume in predicting atrial fibrillation recurrence after first radiofrequency catheter ablation

 

Recurrence group

(n = 41)

Non-recurrence group

(n = 155)

t value

P value

P-min (ms)

74.82 ± 15.87

60.18 ± 18.78

4.328

< 0.001

PWD (ms)

128.31 ± 10.77

110.03 ± 8.13

10.131

< 0.001

P-max (ms)

119.02 ± 14.27

106.99 ± 21.73

3.753

< 0.001

PtfV1 ≥ 0.04 mV·s (%)

17

17

21.03

< 0.001

PR interval

189.03 ± 21.93

175.43 ± 28.93

3.386

0.002

1st IAB, n (%)

28 (68.29)

8 (5.16)

87.281

< 0.001

3rd IAB, n (%)

6 (14.63)

5 (3.23)

7.966

0.012