Table 3 The concentrations, AUC, OR and statistical tests of maternal serum fatty acids between SCH and normal pregnancies in the second trimester.

Arachidic acid

6.92 ± 1.74

7.85 ± 2.16

0.63

1.29 (1.01,1.65)

0.04 *

Arachidonic acid

177.67 ± 50.69

181.01 ± 53.4

0.50

1.00 (0.99,1.01)

0.79

Docosahexaenoic acid

85.31 ± 27.73

100.12 ± 38.51

0.61

1.01 (1.00,1.03)

0.04*

Docosanoic acid

16.69 ± 4.61

17.37 ± 4.76

0.53

1.03 (0.93,1.13)

0.55

Docosapentenoic acid

12.79 ± 4.74

13.45 ± 5.57

0.49

1.03 (0.93,1.13)

0.58

Docosatetraenoic acid

7.4 ± 2.33

7.04 ± 2.27

0.46

0.93 (0.73,1.15)

0.53

Eicosadienoic acid

12.65 ± 3.81

13.84 ± 4.22

0.57

1.07 (0.95,1.19)

0.21

Eicosapentaenoic acid

13.18 ± 8.84

18.07 ± 18.87

0.56

1.03 (1.00,1.07)

0.06

Eicosatrienoic acid

96.6 ± 35.11

107.19 ± 48.88

0.55

1.01 (0.99,1.02)

0.24

Eicosenoic acid

7.12 ± 3.72

9.54 ± 5.3

0.64

1.11 (1.01,1.21)

0.02*

Hexadecanoic acid

565.06 ± 127.01

598.47 ± 151.20

0.55

1.00 (1.00,1.01)

0.29

Hexadecenoic acid

35.64 ± 20.49

41.70 ± 28.66

0.56

1.01 (0.99,1.03)

0.25

Lignoceric acid

12.3 ± 4.22

12.07 ± 3.93

0.51

0.99 (0.87,1.10)

0.82

Linoleic acid

820.02 ± 168.63

838.34 ± 196.93

0.49

1.00 (1.00,1.00)

0.66

Octadecanoic acid

164.99 ± 32.94

178.49 ± 36.34

0.59

1.01 (1.00,1.02)

0.10

Octadecenoic acid

435.73 ± 99.58

475.67 ± 111.84

0.61

1.00 (1.00,1.01)

0.11

Tetracosenoic acid

41.34 ± 14.71

48.17 ± 17.93

0.60

1.02 (1.00,1.05)

0.07

Tetradecanoic acid

22.64 ± 11.28

23.93 ± 12.57

0.52

1.01 (0.97,1.05)

0.64

α-Linolenic acid

39.21 ± 19.59

48.67 ± 22.33

0.65

1.02 (1.00,1.04)

0.07

γ-Linolenic acid

9.75 ± 5.83

9.98 ± 8.94

0.54

1.01 (0.92,1.08)

0.88