Abstract
Plasma testosterone levels in a group of 341 men with sexual dysfunction were compared to those in 199 men with normal sexual function. All subjects were participants in a 2-week intensive conjoint sex therapy program at the Masters & Johnson Institute. Testosterone determinations were made using radioimmunoassay methods after column chromatography; all blood samples were obtained on the second day of therapy between 8:00 and 9:00 a.m. after an overnight fast. Circulating levels of testosterone in men with normal sexual function (mean 635 ng/dl) were not significantly different from testosterone values in sexually dysfunctional men (mean 629 ng/dl). However, men with primary impotence (N = 13) had significantly higher testosterone levels than men with secondary impotence (N = 180), with mean levels of 710 and 574 ng/dl, respectively (p<0.001). The mean testosterone level for men with ejaculatory imcompetence was 660 ng/dl (N = 15), while for men with premature ejaculation the mean was 622 ng/dl (N = 91). Plasma testosterone concentrations were not related to therapy outcome but were correlated negatively with age of patients.
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Schwartz, M.F., Kolodny, R.C. & Masters, W.H. Plasma testosterone levels of sexually functional and dysfunctional men. Arch Sex Behav 9, 355–366 (1980). https://doi.org/10.1007/BF02115938
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DOI: https://doi.org/10.1007/BF02115938