Table 2 The concentrations, AUC, OR and statistical tests of maternal serum fatty acids between SCH and normal pregnancies in the first trimester.

Arachidic acid

6.14 ± 1.73

6.35 ± 1.93

0.48

1.07 (0.80,1.37)

0.63

Arachidonic acid

176.31 ± 52.16

175.96 ± 66.18

0.57

1.00 (0.99,1.01)

0.98

Docosahexaenoic acid

70.55 ± 22.35

80.98 ± 38.71

0.45

1.01 (1.00,1.03)

0.08

Docosanoic acid

14.45 ± 4.41

15.12 ± 5.53

0.49

1.03 (0.93,1.13)

0.54

Docosapentenoic acid

11.25 ± 4.43

12.45 ± 6.81

0.48

1.05 (0.95,1.14)

0.30

Docosatetraenoic acid

6.55 ± 2.31

6.52 ± 3.42

0.57

0.99 (0.79,1.19)

0.96

Eicosadienoic acid

10.08 ± 3.84

9.87 ± 4.58

0.54

0.99 (0.85,1.11)

0.82

Eicosapentaenoic acid

10.26 ± 8.51

12.42 ± 9.61

0.56

1.02 (0.97,1.06)

0.32

Eicosatrienoic acid

74.49 ± 33.57

78.80 ± 69.3

0.59

1.00 (0.99,1.01)

0.64

Eicosenoic acid

5.50 ± 2.41

5.00 ± 2.00

0.56

0.90 (0.68,1.11)

0.39

Hexadecanoic acid

469.15 ± 113.21

493.8 ± 167.37

0.47

1.00 (1.00,1.01)

0.39

Hexadecenoic acid

24.7 ± 12.69

31.63 ± 35.53

0.51

1.02 (0.99,1.04)

0.10

Lignoceric acid

10.68 ± 3.64

10.78 ± 5.06

0.54

1.01 (0.88,1.13)

0.92

Linoleic acid

752.88 ± 177.04

756.70 ± 187.03

0.53

1.00 (1.00,1.00)

0.93

Octadecanoic acid

150.47 ± 33.29

161.49 ± 42.01

0.57

1.01 (1.00,1.02)

0.19

Octadecenoic acid

375.63 ± 92.41

382.86 ± 134.38

0.53

1.00 (1.00,1.01)

0.76

Tetracosenoic acid

36.07 ± 13.14

38.28 ± 17.58

0.50

1.01 (0.98,1.04)

0.50

Tetradecanoic acid

12.96 ± 8.08

14.59 ± 14.60

0.53

1.02 (0.96,1.06)

0.45

α-Linolenic acid

29.09 ± 14.25

26.44 ± 13.41

0.58

0.98 (0.94,1.02)

0.44

γ-Linolenic acid

8.69 ± 5.96

9.39 ± 11.18

0.58

1.02 (0.94,1.08)

0.66