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Table 2 Comparison of the distribution of BPA and phthalate metabolite levels in maternal blood of the three groups

From: Prenatal exposure to bisphenol A and phthalates and behavioral problems in children at preschool age: the Hokkaido Study on Environment and Children’s Health

Exposure

MDL (ng/ml)

Detection rate (%)

Normal (n = 245)

Borderline (n = 125)

Clinical (n = 88)

p value*

Median

IQR

Median

IQR

Median

IQR

BPA

0.011

94.0

0.054

0.022, 0.207

0.074

0.027, 0.370

0.097

0.037, 0.320

0.049

MnBP

0.57

100.0

26.7

17.7, 37.6

25.1

16.8, 34.0

24.0

17.0, 35.0

0.221

MiBP

0.44

100.0

7.4

5.3, 9.9

6.6

4.7, 8..7

7.2

5.3, 9.1

0.166

MBzP

0.19

9.1

<MDL

<MDL, <MDL

<MDL

<MDL, <MDL

<MDL

<MDL, <MDL

N/A

MEHP

0.31

96.5

1.42

0.82, 9.07

1.25

0.78, 8.20

1.53

067, 10.00

0.644

MEHHP

0.23

0.7

<MDL

<MDL, <MDL

<MDL

<MDL, <MDL

<MDL

<MDL, <MDL

N/A

MECPP

0.11

82.1

0.20

0.11, 0.30

0.21

0.11, 0.32

0.21

0.13, 0.34

0.470

cx-MiNP

0.12

0.4

<MDL

<MDL, <MDL

<MDL

<MDL, <MDL

<MDL

<MDL, <MDL

N/A

  1. MDL method detection limit, IQR interquartile range
  2. *Kruskal-Wallis test