Age-specific reference levels of serum prostate-specific antigen and prostate volume in healthy Arab men

Elijah O. Kehinde, Olusegun A. Mojiminiyi, Mehraj Sheikh, Kaleel A. Al-Awadi, Abdallah S. Daar, Adel Al-Hunayan, Jehoram T. Anim, Aisha A. Al-Sumait

Research output: Contribution to journalArticlepeer-review

31 Citations (Scopus)


OBJECTIVE: To determine age-specific reference ranges for serum prostate-specific antigen (PSA) concentration and prostate volumes in a population of healthy Arab men. SUBJECTS AND METHODS: Blood samples were taken from 396 healthy Arab men (from Kuwait and Oman) aged 15-79 years and from across the social spectrum. Men aged >40 years had a digital rectal examination and transrectal ultrasonography of the prostate to determine prostate volume. The serum PSA level was measured using commercial kits, and age-specific ranges for PSA levels and prostate volume determined. RESULTS: The serum PSA ranges (ng/mL) for each age range in Arab men were: 40-49 years, 0-0.9; 60-69, 0-2.7; 70-79, 0-5.5 ng/mL; the respective prostate volumes were 8-22, 9-30 and 10-33 mL. The serum PSA level and prostate volume correlated with age (P < 0.001). Arab men had lower serum PSA levels and prostate volumes than those reported for Caucasians, but similar to those reported for Asians (Japanese and Chinese). CONCLUSION: These results indicate that Arab men have lower PSA levels and prostate volumes than Caucasians. The levels are slightly lower than those reported in the Japanese and, as in the Japanese, low PSA levels and small prostate volumes might be related to the low incidence of clinical prostate cancer in Arab men.

Original languageEnglish
Pages (from-to)308-312
Number of pages5
JournalBJU International
Issue number3
Publication statusPublished - Aug 2005


  • Arab
  • Asian
  • Caucasian
  • Prostate volume
  • Prostate-specific antigen

ASJC Scopus subject areas

  • Urology

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