Table 2.
Summary statistics for the urinary concentrations (in ng/mL) of di(2-ethylhexyl) phthalate (DEHP) metabolites (N = 425)
| Variables | Mean | Standard deviation |
LODa | % >LODb | Selected percentiles |
||||
|---|---|---|---|---|---|---|---|---|---|
| 5th | 25th | 50th | 75th | 95th | |||||
| MEHP (ng/mL) | 11.3 | 34.6 | 1.2 | 77 | 0.85 | 1.3 | 3.2 | 7.7 | 33.6 |
| MEHHP (ng/mL) | 67.6 | 196 | 0.70 | 99 | 2.7 | 10.5 | 23.7 | 52.2 | 271 |
| MEOHP (ng/mL) | 36.9 | 105 | 0.70 | 97 | 1.4 | 5.5 | 12.9 | 28 | 143 |
| MECPP (ng/mL) | 86.6 | 241 | 0.60 | 100 | 4.5 | 15.9 | 32.3 | 68.6 | 350 |
| ∑DEHPc (nmol/mL) | 0.68 | 1.9 | 0.03 | 0.11 | 0.24 | 0.52 | 2.6 | ||
MEHP, mono(2-ethylhexyl) phthalate; MEHHP, mono(2-ethyl-5-hydroxyhexyl) phthalate; MEOHP, mono(2-ethyl-5-oxohexyl) phthalate; MECPP, mono(2-ethyl-5-carboxypentyl) phthalate.
a
Limit of detection (LOD) in ng/mL.
b
Percentage of samples above the LOD.
c
∑DEHP is the sum of MEHP, MEHHP, MEOHP and MECPP concentrations (in nmol/mL).