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Long Distance Bicycle Riding Causes Prostate-Specific Antigen to Increase in Men Aged 50 Years and Over

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  • Sandra L Mejak
  • Julianne Bayliss
  • Shayne D Hanks

Abstract

Objectives: To investigate whether bicycle riding alters total prostate-specific antigen (tPSA) serum concentrations in healthy older men. Methods: 129 male participants, ranging in age from 50 to 71 years (mean 55 years), rode in a recreational group bicycle ride of between 55 and 160 kilometers. Blood samples for tPSA analysis were drawn within 60 minutes before starting, and within 5 minutes after completing the ride. The pre-cycling and post-cycling tPSA values were log transformed for normality and compared using paired t-tests. Linear regression was used to assess the relationship between changes in tPSA with age and distance cycled. Results: Bicycle riding caused tPSA to increase by an average of 9.5% (95% CI = 6.1–12.9; p

Suggested Citation

  • Sandra L Mejak & Julianne Bayliss & Shayne D Hanks, 2013. "Long Distance Bicycle Riding Causes Prostate-Specific Antigen to Increase in Men Aged 50 Years and Over," PLOS ONE, Public Library of Science, vol. 8(2), pages 1-6, February.
    • Handle: RePEc:plo:pone00:0056030
    DOI: 10.1371/journal.pone.0056030
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