Table 2.
Serum estrone and estradiol concentrations for the study sample
| Age, y | 70-74 | 75-79 | 80-85 | ≥ 85 | Total ≥ 70 y |
|---|---|---|---|---|---|
| Estrone, pmol/L | |||||
| n | 3093 | 1425 | 589 | 170 | 5277 |
| Below LOD (3.7 pmol/L) | 28 (0.9%) | 17 (1.2%) | 3 (0.5%) | 0 (0.0%) | 48 (0.9%) |
| Median | 181.2 | 181.20 | 196.0 | 205.2 | 181.2 |
| 10th percentile | 88.8 | 85.1 | 99.8 | 83.2 | 88.7 |
| 90th percentile | 340.2 | 351.3 | 362.4 | 369.8 | 347.6 |
| Estradiol, pmol/L | |||||
| n | 1097 | 480 | 179 | 47 | 1803 |
| Below LOD (11 pmol/L) | 2024 (64.8%) | 962 (66.7%) | 413 (69.8%) | 123 (72.3%) | 3522 (66.1%) |
| Median | 22.0 | 22.0 | 22.0 | 22.0 | 22.0 |
| 10th percentile | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 |
| 90th percentile | 58.7 | 58.7 | 62.4 | 58.7 | 58.7 |
To convert from pmol/L to pg/mL, divide by 3.671.
Abbreviation: LOD, limit of detection.