Table 1.
Semen characteristics and hormone level distributions
| Median | Interquartile range (first and third quartiles) | 2.5th and 97.5th percentiles | |
|---|---|---|---|
| Age, years | 35 | 31-39 | 24.5-51 |
| FSH, IU/l | 3.2 | 2.4-4.3 | 1.3-6.6 |
| LH, IU/L | 2.7 | 2.0-3.5 | 1.2-5.5 |
| Total T, nmol/L | 17.5 | 13.9-21.4 | 8.9-28.7 |
| Inhibin B, pg/mL | 175 | 144-215 | 99-289 |
| AMH, pmol/L | |||
| Overall population | 43.5 | 31.5-58.3 | 16.4-90.3 |
| Adults 20-39 years | 43.8 | 32.5-59.4 | 18.1-90.9 |
| Adults >39 years | 38.3 | 29.4-53.1 | 12.3-87.6 |
| AMH/tTa | |||
| Overall population | 1.21 | 0.83-1.74 | 0.45-3.43 |
| Adults 20-39 years | 1.22 | 0.82-1.72 | 0.45-3.44 |
| Adults >39 years | 1.16 | 0.80-1.76 | 0.36-3.36 |
| Semen parameters | |||
| Semen volume, mL | 3.3 | 2.4-4.5 | 1.5-7.4 |
| Total sperm count, million/ejaculate | 229.5 | 138.8-394.8 | 55-890.5 |
| Sperm concentration, million/mL | 70.2 | 43.2-114.9 | 18.8-248.3 |
| Progressive motility, % | 60 | 48.7-65 | 35-75 |
| Normal forms, % | 37 | 29-47 | 23-62.9 |
Abbreviations: AMH, anti-Müllerian hormone; FSH, follicle-stimulating hormone; LH, luteinizing hormone; T, testosterone; tT, total testosterone.
aAMH/tT values were calculated using serum AMH and serum total T concentration values in ng/mL.