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Table 2 Distribution of specific gravity adjusted OPE concentrations (ng/mL) in maternal urine (N = 204)

From: Prenatal exposures to organophosphate ester metabolite mixtures and children’s neurobehavioral outcomes in the MADRES pregnancy cohort

Metabolite

Percentiles

Distributions

25th

50th

75th

Min–Max

Geometric Mean

Detect Frequency

LOD (ng/mL)

DPHP

0.47

0.83

1.47

0.12–25.59

0.89

99.51%

0.0281

DNBP + DIBP

0.12

0.17

0.25

ND-1.78

0.18

96.57%

0.0441

BDCIPP

0.61

1.26

2.14

ND-34.94

1.05

95.10%

0.0174

BCEP

0.02

0.47

1.60

ND-168.00

0.31

68.63%

0.0200

BBOEP

0.02

0.04

0.08

ND-0.74

0.04

63.24%

0.0199

BCIPP

ND

0.12

0.71

ND-19.90

0.11

51.47%

0.0204

BMPP

ND

0.01

0.04

ND-0.47

0.02

39.71%

0.0115

BEHP

ND

ND

0.03

ND-3.48

0.03

25.00%

0.0170

DPRP

ND

ND

0.06

ND-2.85

0.04

25.98%

0.0278

  1. OPE Organophosphate Esters, LOD Limit of Detection, ND Non-detect, DPHP Diphenyl phosphate, DNBP + DIBP Sum of Di-n-butyl phosphate and Di-isobutyl phosphate, BDCIPP Bis(1,3-dichloro-2-propyl) phosphate, BCEP Bis(2-chloroethyl) phosphate, BBOEP Bis(butoxethyl) phosphate, BCIPP Bis(1-chloro-2-propyl) phosphate, BMPP Bis(2-methylphenyl) phosphate, BEHP Bis(2-ethylhexyl) phosphate, DPRP Dipropyl phosphate, Min Minimum, Max Maximum