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Table 2 Median [IQR] mmol/mol creatinine of each metabolite by trimester

From: First and second trimester urinary metabolic profiles and fetal growth restriction: an exploratory nested case-control study within the infant development and environment study

Variable

Trimester

Overall

FGR Case

Control

Acetic Acid

1

11 [7–17]

10 [6–16]

11 [8–18]

2

12 [7–17]

12 [7–19]

11 [7–17]

Trimethylamine

1

4 [3–6]

4 [3–5]

4 [3–6]

2

4 [3–5]

3 [3–5]

4 [3–5]

Formic Acid

1

19 [13–29]

19 [12–31]

19 [14–28]

2

25 [18–36]

25 [18–37]

25 [18–35]

Tyrosinea

1

17 [13–23]

16 [8–22]

18 [13–24]

2

18 [13–25]

19 [12–24]

18 [13–25]

  1. aSome subjects were missing tyrosine spectroscopy analysis results, thus n = 153 subjects were used in analysis of tyrosine