Recent studies give contradictory findings regarding testosterone levels in white, black, and Hispanic men. Here, I present a cross-sectional reanalysis of serum testosterone and sex hormone-binding globulin (SHBG) in 1637 males, aged 12-90, who participated in the morning examination of the Third National Health and Nutrition Examination Survey (NHANES III) during the year 1988-1991. Testosterone and SHBG in males are described precisely over the age range 12 to 90 years. Testosterone and SHBG are not notably different in white and Mexican-American (MA) males. In the age range 20-69 years, black men average 0.39 ng/ml higher testosterone than white and MA men (p < 0.001). The higher testosterone in black men is partly explained by low marriage rate and low adiposity.
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机译：最近的研究对白人，黑人和西班牙裔男性的睾丸激素水平提出了矛盾的发现。在这里，我对1637名年龄在12-90岁之间的男性进行了血清睾丸激素和性激素结合球蛋白（SHBG）的横断面再分析，这些男性参加了2003年第三次全国健康与营养检查调查（NHANES III） 1988-1991年。男性的睾丸激素和SHBG准确描述了12至90岁的年龄范围。白人和墨西哥裔美国人（MA）的睾丸激素和SHBG明显不同。在20-69岁的年龄范围内，黑人男性的睾丸激素平均比白人和MA男性高0.39 ng / ml（p <0.001）。黑人男性睾丸激素水平较高的部分原因是婚姻率低和肥胖症。
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