Table 2.

Phthalate metabolite concentrations (ng/ml) in biological matrices

Analytes	Matrices	Arithmetic Mean	Standard Error	Median	95th Percentile	Range	LOD (ng/ml)	Sample Size	DF (%)
MBP	CS	2.3	0.4	<LOD	10.9	<LOD-49.4	1.07	150	28.0
	MS	2.3	0.4	<LOD	12.2	<LOD-45.7	1.07	148	22.3
	MU	23.3	4.2	14.8	68.9	3.4–107.9	1.07	34	100.0
MBzP	CS	<LOD	0.1	<LOD	2.1	<LOD-5.2	1.00	150	8.0
	MS	<LOD	0.0	<LOD	1.3	<LOD-3.7	1.00	148	5.4
	MU	20.0	5.5	9.2	52.8	1.0–181.3	1.00	34	97.1
MCPP	CS	1.3	0.2	<LOD	4.6	<LOD-16.9	1.00	150	16.0
	MS	1.4	0.2	<LOD	4.3	<LOD-19.9	1.00	148	16.2
	MU	2.3	0.4	1.6	7.1	<LOD-9.3	1.00	34	70.6
MEHHP	CS	1.0	0.1	<LOD	2.8	<LOD-10.6	0.95	150	26.0
	MS	<LOD	0.1	<LOD	2.9	<LOD-10.9	0.95	148	14.2
	MU	140.7	16.5	108.9	308.9	21.0–444.6	0.95	34	100.0
MEHP	CS	8.2	0.3	7.7	14.1	1.0–21.8	0.98	150	99.3
	MS	1.3	0.1	<LOD	3.9	<LOD-10.3	0.98	148	26.4
	MU	126.9	11.1	114.7	246.2	38.4–274.6	0.98	34	100.0
MEOHP	CS	<LOD	0.1	<LOD	2.3	<LOD-3.7	1.07	150	13.3
	MS	<LOD	0.1	<LOD	2.7	<LOD-10.1	1.07	148	12.8
	MU	114.8	12.3	95.1	233.0	17.7–321.6	1.07	34	100.0
MEP	CS	3.0	0.5	<LOD	12.9	<LOD-45.3	1.00	150	40.7
	MS	4.4	0.8	<LOD	20.4	<LOD-89.3	1.00	148	42.6
	MU	249.8	45.7	168.5	749.1	7.7–830.2	1.00	29	100.0
MMP	CS	<LOD	0.0	<LOD	<LOD	<LOD-5.3	1.00	150	2.0
	MS	<LOD	0.0	<LOD	<LOD	<LOD-1.6	1.00	148	0.7
	MU	1.0	0.2	<LOD	2.5	<LOD-7.3	1.00	34	11.8
MiBP	CS	<LOD	0.0	<LOD	<LOD	<LOD-5.6	1.04	150	3.3
	MS	<LOD	0.1	<LOD	1.3	<LOD-7.6	1.04	148	4.7
	MU	6.4	1.4	4.6	13.5	<LOD-47.5	1.04	34	94.1

Abbreviations: CS: cord serun; MS: maternal serum; MU: maternal urine.

DF: detection frequency; LOD: limit of detection.