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Age-specific prostate-specific antigen reference ranges in Korean men.

Young Deuk Choi1, Dae Ryong Kang, Chung Mo Nam

  • 1Department of Urology, Yonsei University College of Medicine, Seoul, Korea. youngd74@yumc.yonsei.ac.kr

Urology
|December 26, 2007
PubMed
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This study establishes new age-specific reference ranges for prostate-specific antigen (PSA) in Korean men. These updated PSA levels are crucial for accurate prostate cancer screening and diagnosis in this population.

Area of Science:

  • Urology
  • Biostatistics
  • Public Health

Background:

  • Serum prostate-specific antigen (PSA) levels exhibit significant variations across different racial groups and tend to increase with age.
  • Establishing accurate reference ranges is vital for the early detection of prostate cancer and effective patient management.

Purpose of the Study:

  • To determine standard, age-specific serum PSA reference ranges for Korean men without clinically evident prostate cancer.
  • To evaluate variations in serum PSA levels within a large, multicenter Korean population.

Main Methods:

  • Retrospective analysis of 120,439 Korean men aged 30-79 years.
  • Serum PSA levels were collected from eight referral hospitals between November 1998 and July 2005.
  • Age-specific 95th percentile reference ranges were calculated.

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Main Results:

  • Recommended age-specific PSA reference ranges (95th percentile) for Korean men were established: 0.32-1.88 ng/mL (30-39 yrs), 0.30-1.92 ng/mL (40-49 yrs), 0.30-2.37 ng/mL (50-59 yrs), 0.31-3.56 ng/mL (60-69 yrs), and 0.30-5.19 ng/mL (70-79 yrs).
  • Serum PSA levels demonstrated an annual increase, with the most significant rise observed in men over 60 years old.
  • PSA levels showed a steep increase in men in their 50s and the largest increase in those over 60.

Conclusions:

  • The established age-specific PSA reference ranges for Korean men are generally lower compared to those reported for white men.
  • These newly proposed age-specific reference ranges are essential for more accurate interpretation of PSA data in Korean men.
  • The findings support the need for race-specific reference ranges in prostate cancer screening.