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Circulating total testosterone and PSA concentrations in a nationally representative sample of men without a diagnosis of prostate cancer


Peskoe, Sarah B; Joshu, Corinne E; Rohrmann, Sabine; McGlynn, Katherine A; Nyante, Sarah J; Bradwin, Gary; Dobs, Adrian S; Kanarek, Norma; Nelson, William G; Platz, Elizabeth A (2015). Circulating total testosterone and PSA concentrations in a nationally representative sample of men without a diagnosis of prostate cancer. The Prostate, 75(11):1167-1176.

Abstract

BACKGROUND The association between serum sex steroid hormones and PSA in a general population has not been described. METHODS Included were 378 men aged 40-85 years who participated in the National Health and Nutrition Examination Survey in 2001-2004, who did not have a prostate cancer diagnosis, and had not had a recent biopsy, rectal examination, cystoscopy, or prostate infection or inflammation. Serum total PSA, total testosterone, androstanediol glucuronide (3α-diol-G), estradiol, and sex hormone binding globulin (SHBG) concentrations were previously measured. Free testosterone was estimated by mass action. We applied sampling weights and calculated geometric mean PSA concentration by hormone quintiles adjusting for age and race/ethnicity, and also for body mass index, waist circumference, smoking, diabetes, and mutually for hormones. We estimated the OR of PSA ≥2.5 ng/ml per hormone quintile using logistic regression. RESULTS Geometric mean PSA increased across testosterone quintiles after age and race/ethnicity (Q1: 0.80, Q5: 1.14 ng/ml; P-trend = 0.002) and multivariable (Q1: 0.79, Q5: 1.16 ng/ml; P-trend = 0.02) adjustment; patterns were similar for free testosterone and 3α-diol-G. SHBG was inversely associated with PSA only after multivariable adjustment (Q1: 1.32, Q5: 0.82 nmol/L; P-trend = 0.01). Estradiol and PSA were not associated. The OR of PSA ≥2.5 ng/ml was 1.54 (95% CI 1.18-2.01) per testosterone quintile after age and race/ethnicity adjustment, and 1.78 (95% CI 1.16-2.73) after multivariable adjustment. CONCLUSIONS In this nationally representative sample, men with higher testosterone had higher PSA even after taking into account other hormones and modifiable factors. Men with higher SHBG had lower PSA, but only after multivariable adjustment.

Abstract

BACKGROUND The association between serum sex steroid hormones and PSA in a general population has not been described. METHODS Included were 378 men aged 40-85 years who participated in the National Health and Nutrition Examination Survey in 2001-2004, who did not have a prostate cancer diagnosis, and had not had a recent biopsy, rectal examination, cystoscopy, or prostate infection or inflammation. Serum total PSA, total testosterone, androstanediol glucuronide (3α-diol-G), estradiol, and sex hormone binding globulin (SHBG) concentrations were previously measured. Free testosterone was estimated by mass action. We applied sampling weights and calculated geometric mean PSA concentration by hormone quintiles adjusting for age and race/ethnicity, and also for body mass index, waist circumference, smoking, diabetes, and mutually for hormones. We estimated the OR of PSA ≥2.5 ng/ml per hormone quintile using logistic regression. RESULTS Geometric mean PSA increased across testosterone quintiles after age and race/ethnicity (Q1: 0.80, Q5: 1.14 ng/ml; P-trend = 0.002) and multivariable (Q1: 0.79, Q5: 1.16 ng/ml; P-trend = 0.02) adjustment; patterns were similar for free testosterone and 3α-diol-G. SHBG was inversely associated with PSA only after multivariable adjustment (Q1: 1.32, Q5: 0.82 nmol/L; P-trend = 0.01). Estradiol and PSA were not associated. The OR of PSA ≥2.5 ng/ml was 1.54 (95% CI 1.18-2.01) per testosterone quintile after age and race/ethnicity adjustment, and 1.78 (95% CI 1.16-2.73) after multivariable adjustment. CONCLUSIONS In this nationally representative sample, men with higher testosterone had higher PSA even after taking into account other hormones and modifiable factors. Men with higher SHBG had lower PSA, but only after multivariable adjustment.

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Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > Epidemiology, Biostatistics and Prevention Institute (EBPI)
Dewey Decimal Classification:610 Medicine & health
Language:English
Date:1 August 2015
Deposited On:28 Dec 2015 12:45
Last Modified:08 Dec 2017 16:23
Publisher:Wiley-Blackwell Publishing, Inc.
ISSN:0270-4137
Additional Information:This is the peer reviewed version of the following article: Peskoe, Sarah B; Joshu, Corinne E; Rohrmann, Sabine; McGlynn, Katherine A; Nyante, Sarah J; Bradwin, Gary; Dobs, Adrian S; Kanarek, Norma; Nelson, William G; Platz, Elizabeth A (2015). Circulating total testosterone and PSA concentrations in a nationally representative sample of men without a diagnosis of prostate cancer. The Prostate, 75(11):1167-1176, which has been published in final form atDOI 10.1002/pros.22998. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving
Free access at:PubMed ID. An embargo period may apply.
Publisher DOI:https://doi.org/10.1002/pros.22998
PubMed ID:25919471

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