Fig. 1From: Dynamic alteration of serum testosterone with aging: a cross-sectional study from Shanghai, ChinaLevel of serum testosterone (T), luteinizing hormone (LH), and sex hormone binding globulin (SHBG) with aging. Serum concentration of testosterone (Panel a), LH (Panel b), and SHBG (Panel c) were quantified as described in the method. Vertical axis: mean and 95Â % CI; horizontal axis: age groups by 5-year apartBack to article page