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Table 1 Serum levels of hormones in chinese male at age 20 to 87

From: Dynamic alteration of serum testosterone with aging: a cross-sectional study from Shanghai, China

Age group Number Serum level, mean ± SD (95 % CI)
T (nmol/L) LH (IU/L) SHBG (nmol/L) FTI( % ) TSI (nmol/IU)
20~ 40 17.31 ± 4.95 (15.73,18.89) 4.06 ± 1.73 (3.51,4.61) 25.91 ± 10.39 (22.59,29.23) 0.73 ± 0.21 (0.66,0.80) 4.79 ± 1.91 (4.18,5.40)
25~ 185 16.18 ± 4.57 (15.52,16.85) 3.97 ± 1.73 (3.72,4.22) 25.44 ± 11.29 (23.80,27.08) 0.71 ± 0.27 (0.67,0.75) 4.65 ± 1.87 (4.38,4.92)
30~ 146 15.46 ± 4.59 (14.71,16.21) 3.76 ± 1.53 (3.51,4.01) 28.69 ± 15.74 (26.12,31.27) 0.62 ± 0.22* (0.59,0.66) 4.67 ± 2.18 (4.31,5.03)
35~ 101 14.40 ± 4.33* (13.54,15.25) 3.84 ± 1.35 (3.57,4.11) 26.77 ± 12.08 (24.39,29.16) 0.59 ± 0.20* (0.55,0.63) 4.17 ± 1.87 (3.80,4.54)
40~ 94 14.33 ± 4.91* (13.33,15.34) 3.79 ± 1.66 (3.45,4.13) 30.49 ± 14.11 (27.60,33.38) 0.51 ± 0.16* (0.48,0.55) 4.44 ± 2.40 (3.95,4.93)
45~ 65 14.22 ± 4.17* (13.18,15.25) 4.02 ± 1.95 (3.54,4.51) 32.90 ± 14.28* (29.36,36.44) 0.47 ± 0.13* (0.44,0.50) 4.19 ± 1.93 (3.71,4.66)
50~ 63 14.19 ± 3.93* (13.20,15.18) 4.28 ± 1.72 (3.85,4.71) 34.01 ± 13.66* (30.57,37.46) 0.46 ± 0.16* (0.42,0.50) 3.83 ± 1.78* (3.38,4.28)
55~ 87 14.73 ± 4.87* (13.69,15.77) 4.63 ± 2.67 (4.06,5.20) 38.18 ± 17.07* (34.54,41.82) 0.43 ± 0.14* (0.40,0.46) 3.78 ± 1.62* (3.43,4.12)
60~ 116 15.32 ± 4.81 (14.43,16.20) 6.10 ± 3.56* (5.44,6.75) 43.27 ± 17.44* (38.09,48.45) 0.35 ± 0.10* (0.32,0.38) 3.31 ± 1.90* (2.96,3.66)
65~ 92 16.18 ± 5.49 (15.05,17.32) 6.33 ± 3.06* (5.69,6.96) 45.19 ± 13.19* (40.36,50.03) 0.34 ± 0.06* (0.31,0.36) 3.08 ± 1.68* (2.73,3.43)
70~ 48 16.36 ± 6.23 (14.55,18.17) 6.87 ± 3.86* (5.75,7.99) 50.64 ± 25.84* (39.47,61.81) 0.34 ± 0.09* (0.30,0.38) 2.95 ± 1.58* (2.49,3.41)
75~ 56 15.96 ± 5.56 (14.47,17.45) 8.32 ± 4.19* (7.19,9.44) 60.64 ± 26.05* (52.07,69.20) 0.26 ± 0.09* (0.23,0.29) 2.31 ± 1.14* (2.00,2.61)
Total 1093 15.36 ± 4.86 (15.07,15.65) 4.76 ± 2.76* (4.60,4.93) 32.61 ± 17.24 (31.49,33.72) 0.55 ± 0.24* (0.53,0.56) 3.98 ± 2.01* (3.86,4.10)
  1. *Compared to age group 20~, p < 0.05 by Mann–Whitney U test