Table 2.
Distribution of circulating hormone levels in study participants (N = 257), Madison, Wisconsin, 2008–2009
| Mean | Standard deviation | Q1 | Median | Q3 | Range | Correlationa with BMI (P value) | |
|---|---|---|---|---|---|---|---|
| Estradiol (pg/mL) | 10.1 | 5.8 | 6.0 | 8.8 | 12.4 | 2.8, 33.9 | 0.49 (<0.0001) |
| Free estradiol (pg/mL) | 0.27 | 0.17 | 0.14 | 0.23 | 0.34 | 0.03, 0.98 | 0.57 (<0.0001) |
| Bioavailable estradiol (pg/mL) | 6.8 | 4.4 | 3.6 | 5.9 | 8.7 | 0.7, 24.8 | 0.57 (<0.0001) |
| Estrone (pg/mL) | 29.3 | 14.2 | 19.1 | 26.1 | 36.9 | 6.0, 86.4 | 0.37 (<0.0001) |
| Estrone sulfate (ng/mL) | 0.73 | 0.29 | 0.54 | 0.68 | 0.88 | 0.21, 2.00 | 0.18 (0.004) |
| Testosterone (ng/dL)b | 22.8 | 11.5 | 14.4 | 19.7 | 28.0 | 4.0, 81.6 | 0.01 (0.84) |
| Free testosterone (pg/mL)b | 4.7 | 2.5 | 2.9 | 4.1 | 6.0 | 0.8, 16.2 | 0.24 (<0.001) |
| Bioavailable testosterone (ng/dL)b | 11.5 | 6.1 | 7.2 | 10.2 | 14.8 | 1.9, 39.8 | 0.24 (<0.001) |
| Progesterone (pg/mL) | 48.5 | 23.5 | 33.0 | 44.7 | 59.2 | 8.0, 181.1 | −0.18 (0.004) |
| Sex hormone binding globulin (nmol/L) | 44.6 | 23.3 | 29.7 | 40.1 | 54.2 | 5.2, 197.0 | −0.54 (<0.0001) |
Q1 first quartile; Q3 third quartile; BMI body mass index
aSpearman correlation coefficient
bTestosterone values were missing for three subjects