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Table 5 Prevalence of abnormal ECG findings in the male and female marathon runners

From: Prevalence of abnormal and borderline electrocardiogram changes in 13, 079 Chinese amateur marathon runners

 

Men (n = 9897)

Women (n = 3182)

Total (n = 13,079)

P*

n %

n %

n %

T wave inversion

2 0.02%

2 0.06%

4 0.03%

> 0.05

ST segment depression

6 0.06%

6 0.19%

12 0.09%

< 0.01

Pathologic Q waves

2 0.02%

 

2 0.02%

 

Premature ventricular contraction

4 0.04%

1 0.03%

5 0.04%

> 0.05

Atrial fibrillation

1 0.01%

 

1 0.01%

 

Prolonged QT interval

1 0.01%

 

1 0.01%

 

Any of the above findings

15 0.15%

7 0.22%

22 0.17%

> 0.05

  1. Note: *: p value of chi-square test between men and women