Table 2.

Clinical parameters	Laboratory parameters
General wellbeing	Serum testosterone levels
Drive and mood	(Serum LH and FSH)
Libido and sexual activity (erections, ejaculations, intercourse)	RBC/hemoglobin/Hc/lipids/fibrinolysis
Body weight/BMI	Ejaculate volume
Bodily proportions	Prostate size and consistency
Hair growth	PSA (over 50 years)
Sebum production	Bone density
Voice

Testosterone-dependent parameters for monitoring of substitution therapy^*

^*Modified according to (33)LH: luteinizing hormone; FSH: follicle-stimulating hormone; PSA: prostate-specific antigen; Hc: hematocrit