Table 2. Distribution of urinary phthalate metabolites and serum thyroid profiles in pregnant women and their cord blood serums.
| Variables | Percentiles | |||||||
|---|---|---|---|---|---|---|---|---|
| N | Min | 5th | 25th | 50th | 75th | 95th | Max | |
| Urine (μg/g creatinine) | ||||||||
| MEHP | 148 | 3.09 | 4.82 | 8.19 | 11.92 | 19.34 | 51.50 | 298.82 |
| MEOHP | 148 | 4.54 | 7.706 | 14.68 | 20.49 | 31.59 | 81.89 | 246.07 |
| MEHHP | 148 | 5.00 | 8.06 | 14.84 | 21.73 | 33.81 | 83.02 | 303.38 |
| MnBP | 148 | 8.85 | 13.52 | 26.47 | 37.81 | 58.96 | 131.38 | 663.03 |
| MiBP | 148 | 4.68 | 7.14 | 11.98 | 20.21 | 33.69 | 82.08 | 493.00 |
| MBzP | 148 | 0.23 | 0.44 | 0.86 | 1.35 | 2.68 | 8.10 | 57.05 |
| MEP | 148 | 2.85 | 6.48 | 17.92 | 34.51 | 88.60 | 328.00 | 9291.74 |
| MMP 1 | 148 | ND | 2.54 | 5.133 | 7.97 | 15.17 | 29.45 | 91.60 |
| Pregnant women | ||||||||
| T3 (ng/dl) | 148 | 106.00 | 123.00 | 149.00 | 168.00 | 192.00 | 234.00 | 350.00 |
| T4 (μg/dl) | 148 | 4.30 | 7.90 | 9.80 | 10.90 | 12.00 | 13.70 | 17.40 |
| FT4 (ng/dl) | 148 | 0.81 | 0.85 | 1.03 | 1.10 | 1.16 | 1.29 | 1.66 |
| TSH (μIU/ml) | 148 | 0.001 | 0.45 | 0.90 | 1.33 | 1.70 | 3.33 | 4.73 |
| Cord blood | ||||||||
| T3 (ng/dl) | 148 | 35.00 | 41.00 | 50.00 | 56.00 | 62.00 | 75.00 | 125.00 |
| T4 (μg/dl) | 148 | 6.60 | 8.00 | 9.40 | 10.55 | 11.45 | 13.10 | 15.30 |
| FT4 (ng/dl) | 148 | 0.86 | 0.91 | 0.99 | 1.08 | 1.16 | 1.32 | 1.65 |
| TSH (μIU/ml) | 148 | 1.51 | 2.98 | 4.20 | 5.54 | 8.34 | 17.65 | 25.42 |
Abbreviations: Max = Maximum; Min = Minimum; MEHP = Mono-(2-ethylhexyl)phthalate; MEOHP = Mono-(2-ethyl-5-hydroxylhexyl) phthalate; MEHHP = Mono-(2-ethyl-5-oxohexyl) phthalate; MiBP = Mono-iso-butyl phthalate; MnBP = Mono-n-butyl phthalate; MBzP = Mono-benzyl phthalate; MEP = Mono-ethyl phthalate; MMP = Mono-methyl phthalate; MiNP = Mono-isononyl phthalate; TSH: Thyroid-stimulating hormone; T4: Thyroxine; FT4: Free thyroxine; T3: triiodothyronine.
1ND in 3 urine samples were not detected.