Sex steroid | Donor (n=19) | All infants (n=19) | Boys (n=7) | Girls (n=12) | P, boys vs girls | P, donor vs all | P, donor vs boys | P, donor vs girls |
Progesterone (pg/mL) | 37.0 (37.0–37.0) | 901 (599–1774) | 1237 (901–1997) | 859 (599–1602) | 0.205 | <0.001 | n.t. | n.t. |
Dehydroepiandrosterone (pg/mL) | 1918 (1325–2408) | 4119 (2801–14 625) | 4912 (2801–14 625) | 4031 (1308–13 031) | 0.672 | 0.002 | n.t. | n.t. |
Androstenedione (pg/mL) | 424 (303–534) | 842 (443–1684) | 957 (842–1969) | 599 (414–1189) | 0.176 | 0.002 | n.t. | n.t. |
Testosterone (pg/mL) | 3394 (2671–4509) | – | 2668 (1650–11 495) | 29.2 (4.0–70.7) | 0.000 | n.t. | 0.565 | <0.001 |
Dihydrotestosterone (pg/mL) | 255 (208–361) | – | 188 (171–856) | 12.4 (6.7–30.5) | 0.001 | n.t. | 0.565 | <0.001 |
Oestrone (pg/mL) | 17.4 (10.4–20.1) | 3.1 (1.1–10.2) | 7.2 (2.5–10.2) | 2.4 (0.47–10.8) | 0.373 | <0.001 | n.t. | n.t. |
Oestradiol (pg/mL) | 16.0 (11.7–17.2) | – | 0.25 (0.25–2.55) | 0.25 (0.25–0.25)* | 0.021 | n.t. | 0.002 | <0.001 |
Concentrations are reported as medians (Q1–Q3). P, Mann–Whitney U-test.
*All measurements below the LLOQ.
LLOQ, lower limit of quantification; n.t., not tested.