Table 2.
Serum PFAS and blood mercury levels (µg/L) among participants in the ACE project (n = 195)
| Analyte | ACE Phase | n | DF (%) | MDL | GM | SD | 25th | 50th | 75th | 95th | p-valuea | NHANES All Adults GM b | NHANES All adults p-valuec |
NHANES Asians
GM d |
NHANES Asians p-valuee |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PFHxS | ACE 1 | 96 | 100 | 0.009 | 0.77 | 0.74 | 0.15 | 0.79 | 2.19 | 4.33 | < 0.01 | 1.22 | < 0.01 | 0.95 | < 0.01 |
| ACE 2 | 99 | 100 | 0.010 | 1.29 | 1.26 | 0.34 | 1.21 | 3.88 | 9.47 | 0.38 | < 0.01 | ||||
| PFOA | ACE 1 | 96 | 100 | 0.050 | 1.41 | 3.56 | 0.25 | 1.35 | 3.18 | 35.50 | 0.04 | 1.60 | 0.06 | 1.66 | 0.02 |
| ACE 2 | 99 | 100 | 0.060 | 1.69 | 2.05 | 0.25 | 1.61 | 3.82 | 19.90 | 0.34 | 0.78 | ||||
| PFOS | ACE 1 | 96 | 100 | 0.057 | 6.51 | 9.44 | 0.84 | 6.04 | 26.90 | 56.30 | 0.24 | 5.02 | < 0.01 | 5.75 | 0.15 |
| ACE 2 | 99 | 100 | 0.191 | 7.47 | 9.39 | 1.53 | 7.00 | 34.22 | 43.20 | < 0.01 | < 0.01 | ||||
| PFNA | ACE 1 | 96 | 99.0 | 0.250 | 0.99 | 1.22 | 0.18 | 0.95 | 3.12 | 10.30 | 0.20 | 0.59 | < 0.01 | 0.77 | < 0.01 |
| ACE 2 | 99 | 99.0 | 0.250 | 1.10 | 0.71 | 0.18 | 1.08 | 2.64 | 4.33 | < 0.01 | < 0.01 | ||||
| PFDA | ACE 1 | 96 | 80.2 | 0.250 | 0.48 | 0.95 | 0.18 | 0.45 | 2.19 | 7.80 | 0.13 | 0.16 | < 0.01 | 0.31 | < 0.01 |
| ACE 2 | 99 | 87.9 | 0.250 | 0.56 | 0.50 | 0.18 | 0.54 | 1.85 | 2.74 | < 0.01 | < 0.01 | ||||
| PFUnDA | ACE 1 | 96 | 100 | 0.050 | 0.40 | 0.30 | 0.06 | 0.43 | 1.06 | 1.70 | 0.20 | – | – | 0.23 | < 0.01 |
| ACE 2 | 99 | 98.0 | 0.050 | 0.45 | 0.45 | 0.04 | 0.44 | 1.18 | 2.91 | – | < 0.01 | ||||
| Hg | ACE 1 | 96 | 99.0 | 0.150 | 3.58 | 3.33 | 0.23 | 4.12 | 9.95 | 18.00 | 0.01 | 0.81 | < 0.01 | 1.73 | < 0.01 |
| ACE 2 | 99 | 100 | 0.075 | 4.77 | 3.57 | 0.21 | 5.18 | 12.68 | 17.80 | < 0.01 | < 0.01 |
ACE Asian/Pacific Islander Community Exposures, DF detection frequency, MDL method detection limit, Min minimum, GM geometric mean, SD standard deviation, PFDA perfluorodecanoic acid, PFHxS perfluorohexane sulfonate, PFNA perfluorononanoic acid, PFOA perfluorooctanoic Acid, PFOS perfluorooctane sulfonic acid, PFUnDA perfluoroundecanoic acid, Hg mercury
a p-value from the two-sided Student’s t-test for differences in geometric means by ACE 1 and ACE 2 groups
b NHANES All Adults 2015–2016 geometric mean data. PFUnDA data not reported due to low detection frequency
c p-value from the two-sided Student’s t-test for differences in geometric means between ACE group and NHANES data
d NHANES Non-Hispanic Asian Adults 2015–2016 geometric mean data