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INVITED COMMENTARY
Year : 2014  |  Volume : 16  |  Issue : 5  |  Page : 786

Re: fasting times in serum PSA assay


Department of Pathology and Laboratory Medicine, Department of Family Medicine, University of Calgary, Calgary, Alberta, Canada

Date of Web Publication24-Jun-2014

Correspondence Address:
Christopher T Naugler
Department of Pathology and Laboratory Medicine, Department of Family Medicine, University of Calgary, Calgary, Alberta
Canada
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/1008-682X.125408

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How to cite this article:
Lau CK, Guo M, Viczko JA, Naugler CT. Re: fasting times in serum PSA assay. Asian J Androl 2014;16:786

How to cite this URL:
Lau CK, Guo M, Viczko JA, Naugler CT. Re: fasting times in serum PSA assay. Asian J Androl [serial online] 2014 [cited 2021 Jul 23];16:786. Available from: https://www.ajandrology.com/text.asp?2014/16/5/786/125408 - DOI: 10.4103/1008-682X.125408

Many clinicians do not realize that a significant proportion of the variation in any laboratory test may be due to preanalytic factors. Understanding which preanalytic factors are most important and controlling for these is an important consideration in interpretation any test. Our recent paper [1] argued that in most circumstances the small amount of preanalytic variation in prostate-specific antigen levels introduced through fasting time variation is unlikely to be significant. However, as the commentator on our paper correctly points out, [2] there may be circumstances where even small variations in prostate-specific antigen could alter interpretation and therefore a standardized fasting time could be advised.

 
  References Top

1.Lau CK, Guo M, Viczko JA, Naugler CT. A population study of fasting time and serum Prostate-Specific Antigen (PSA) level. Asian J Androl 2014; doi: 10.4103/1008-682X.125912. [Epub ahead of print].  Back to cited text no. 1
    
2.Xu X, Lipianskaya J, Huang J. Fasting times in serum PSA assay. Asian J Androl 2014; doi: 10.4103/1008-682X.125405. [Epub ahead of print].  Back to cited text no. 2
    




 

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