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Concentrations of hCG, beta-hCG, and c-beta-hCG in serum and urine of males

Concentrations of hCG, beta-hCG, and c-beta-hCG in serum and urine of males
  Median 90th percentile 97.5 percentile
<50 years ≥50 years <50 years ≥50 years <50 years ≥50 years
Serum (pmol/L)
hCG <0.8 1.2 1.3 4.7 2.1 6.1
beta-hCG 0.3 0.4 1.1 1.3 1.9 2.1
Total hCG* 0.8 1.8 2.3 5.5 3.2 7.1
Urine (pmol/L)
hCG <0.8 1.0 1.4 4.6 2.9 8.4
beta-hCG <0.3 0.4 0.8 1.8 1.3 3.6
c-beta-hCG 1.8 1.6 3.9 5.6 6.7 8.5
Total hCG* 2.9 3.5 5.4 11.3 8.0 21.5
Urine (pmol/mmol)
hCG/creatinine <0.10 <0.10 <0.10 0.57 0.15 0.82
beta-hCG/creatinine <0.06 <0.06 <0.06 0.14 0.11 0.35
c-beta-hCG/creatinine 0.10 0.14 0.32 0.57 0.75 0.83
Total hCG/creatinine* 0.17 0.27 0.43 1.05 0.87 1.48

hCG: human chorionic gonadotropin.

* Results for total hCG immunoreactivity were calculated as the sum of the concentration in individual samples.
Republished with permission of the American Association for Clinical Chemistry, from: Alfthan H, Haglund C, Dabek J, Stenman UH. Concentrations of human choriogonadotropin, its beta-subunit, and the core fragment of the beta-subunit in serum and urine of men and nonpregnant women. Clin Chem 1992; 38(10):1981; permission conveyed through Copyright Clearance Center, Inc. Copyright © American Association for Clinical Chemistry 1992. All rights reserved.
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