心电图改变

早孕组(n = 152)

对照组(n = 100)

P值

窦性心律失常[n (%)]

75 (49.2%)

3 (3.0%)

0.0001

窦性心动过速[n (%)]

24 (15.7%)

1 (1.0%)

0.0001

窦性心律不齐[n (%)]

51 (33.5%)

2 (2.0%)

0.0001

平均心率(次/分)

79.9 ± 16.0

75.5 ± 8.2

0.012

PR间期(ms)

137.4 ± 22.5

143.0 ± 14.6

0.028

PR < 120 ms [n (%)]

21 (13.8%)

0 (0)

0.0001

ST段压低(mv)

25 (16.4%)

2 (2.0%)

0.0001

T波低平、倒置[n (%)]

22 (14.4%)

2 (2.0%)

0.001

电轴左偏[n (%)]

11 (7.2%)

1 (1.0%)

0.023

逆钟向转位[n (%)]

27 (17.7%)

0 (0)

0.0001