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Table 3 Odds ratios of having normal or abnormal ECG findings in marathon runners with good performance using the runners with poor performance as reference

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

 

OR

95% confidence interval

Normal ECG

1.346

1.261–1.438

Sinus bradycardia

1.518

1.409–1.636

Sinus arrhythmia

1.010

0.899–1.135

left ventricular high voltage

1.436

1.233–1.672

1° AVB

1.702

1.034–2.804

Incomplete RBBB

0.803

0.606–1.065

right axis deviation

0.917

0.717–1.174

left axis deviation

0.869

0.611–1.236

  1. Note: Age, gender, weight status were adjusted in the logistic regression model
  2. AVB Atrioventricular block, RBBB Right bundle branch block