Fig. 1.

Relationships among T levels (A, D, G, L), age (B, E, H, M), comorbidities (as detected by Chronic Disease Score; CDS; C, F, I, N) and several symptoms of an impaired male sexuality; in subjects consulting for sexual dysfunction at the university of Florence, Florence, Italy (see also Table 1). ED = erectile dysfunction; SIEDY = Structured Interview on Erectile Dysfunction. Reported significances are those derived after adjusting each association for the other two determinants using ANOVA and post-hoc Bonferroni test