Table 2.
Cytokine Concentrations in Umbilical Cord Serum (n = 370), Infant Growth Project, Jefferson County, Alabama, 1985–1988
| Cytokine | Geometric Mean, pg/mL | Percentile |
% of Samples With Values Less Than Limit of Detection | ||||
| 10th | 25th | 50th | 75th | 90th | |||
| Interleukin-4 | 9.43 | 3.40 | 5.64 | 9.65 | 14.88 | 26.96 | 37 |
| Interleukin-6 | 10.03 | 1.22 | 2.57 | 6.92 | 29.24 | 191.37 | 48 |
| Interleukin-8 | 7.03 | 0.71 | 1.92 | 5.53 | 21.07 | 100.78 | 55 |
| Interleukin-10 | 3.98 | 1.37 | 2.53 | 4.19 | 6.28 | 11.8 | 38 |
| Interleukin-12p70 | 3.56 | 1.21 | 2.76 | 4.12 | 5.57 | 7.32 | 34 |
| Interferon γ | 5.65 | 0.74 | 3.35 | 7.04 | 15.01 | 24.93 | 20 |
| Tumor necrosis factor α | 8.76 | 5.15 | 6.92 | 8.82 | 11.55 | 14.53 | 3 |
| Granulocyte-macrophage colony-stimulating factor | 1.03 | 0.27 | 0.47 | 1.34 | 1.99 | 3.18 | 74 |