Table 2 Spearman correlations between BFRs, thyroid hormones, and enzyme activity by infant sex
|  |  | BDE-47 | BDE-99 | BDE-100 | BDE-153 | BDE-154 | BDE-209 | 2,4,6-TBP | ΣBFR | ΣBDE | T3 | rT3 | T4 | DIO3 | T2S |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Males (n = 48) | T3 | −0.07 | −0.21 | −0.16 | −0.03 | −0.13 | −0.10 | −0.18 | −0.22 | −0.16 | 1.00 |  |  |  |  |
rT3 | 0.02 | −0.34* | 0.01 | 0.13 | −0.04 | −0.35* | −0.02 | −0.13 | −0.11 | 0.14 | 1.00 |  |  |  | |
T4 | −0.14 | −0.21 | −0.21 | 0.04 | −0.07 | −0.15 | −0.11 | −0.16 | −0.15 | 0.53* | 0.35* | 1.00 |  |  | |
DI | 0.03 | 0.16 | 0.15 | 0.04 | −0.05 | −0.02 | 0.00 | 0.05 | 0.09 | −0.05 | 0.05 | −0.27 | 1.00 |  | |
T2S | 0.02 | −0.14 | 0.07 | −0.01 | 0.02 | −0.14 | −0.02 | −0.05 | −0.01 | −0.13 | 0.29* | −0.15 | 0.11 | 1.00 | |
T3S | 0.29* | 0.03 | 0.26# | 0.27# | 0.16 | 0.00 | −0.11 | −0.02 | 0.25# | −0.15 | 0.10 | −0.05 | 0.17 | 0.29 | |
Females (n = 46) | T3 | 0.22 | 0.33* | 0.19 | 0.23 | 0.08 | 0.17 | 0.36* | 0.35* | 0.25# | 1.00 |  |  |  |  |
rT3 | −0.12 | −0.34* | −0.08 | −0.10 | −0.07 | −0.05 | −0.14 | −0.13 | −0.19 | −0.16 | 1.00 |  |  |  | |
T4 | 0.08 | −0.07 | −0.02 | −0.03 | −0.06 | 0.06 | 0.06 | 0.10 | 0.03 | 0.45* | 0.24 | 1.00 |  |  | |
DI | 0.10 | 0.00 | 0.18 | 0.11 | 0.24# | 0.22 | 0.02 | 0.08 | 0.09 | −0.10 | 0.23 | 0.02 | 1.00 |  | |
T2S | 0.11 | −0.06 | 0.05 | 0.13 | 0.11 | −0.10 | −0.11 | 0.02 | 0.13 | −0.19 | −0.08 | −0.12 | −0.16 | 1.00 | |
T3S | 0.08 | −0.25# | 0.11 | 0.15 | 0.15 | −0.02 | 0.02 | 0.05 | 0.05 | −0.07 | −0.06 | 0.05 | 0.17 | 0.19 |