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Table 2 Significant superpathways and subpathways in pathway enrichment analysis

From: Welding fume exposure is associated with inflammation: a global metabolomics profiling study

Pathway

Number

Different

Percentage (%)

Upa

Downa

P

FDR-q

Superpathway

 Lipid

321

61

19

37

24

2.18E-56

1.75E-55

 Amino acid

158

22

13.92

19

3

7.37E-19

2.95E-18

 Xenobiotics

97

10

8.77

10

0

9.41E-09

2.51E-08

 Carbohydrate

21

8

38.09

7

1

4.04E-07

8.08E-07

 Cofactors and vitamins

20

5

25

0

5

1.07E-04

1.71E-04

 Nucleotide

30

4

13.33

2

2

6.76E-04

9.01E-04

 Energy

9

2

22.22

2

0

2.64E-02

3.02E-02

Subpathway

 Lysolipid

24

10

41.67

10

0

1.91E-07

7.84E-06

 Phospholipid Metabolism

33

8

24.24

8

0

4.47E-06

9.17E-05

 Fatty Acid Metabolism (Acyl Carnitine)

23

7

30.43

0

7

2.14E-05

1.75E-04

 Food Component/Plant

31

7

22.58

7

0

2.14E-05

1.75E-04

 Phenylalanine and Tyrosine Metabolism

29

7

24.14

6

1

2.14E-05

1.75E-04

 Polyunsaturated Fatty Acid (n3 and n6)

13

6

46.15

1

5

1.02E-04

6.94E-04

 Diacylglycerol

19

5

26.32

5

0

4.79E-04

2.80E-03

 Fatty Acid, Monohydroxy

14

4

28.57

2

2

2.24E-03

8.35E-03

 Hemoglobin and Porphyrin Metabolism

5

4

80.00

0

4

2.24E-03

8.35E-03

 Leucine, Isoleucine and Valine Metabolism

24

4

16.67

3

1

2.24E-03

8.35E-03

 Steroid

36

4

11.11

0

4

2.24E-03

8.35E-03

 Endocannabinoid

5

3

60.00

0

3

1.04E-02

3.05E-02

 Fructose, Mannose and Galactose Metabolism

4

3

75.00

2

1

1.04E-02

3.05E-02

 Pentose Metabolism

6

3

50.00

3

0

1.04E-02

3.05E-02

  1. aUp indicates higher level in the post-exposure group; down indicates lower level in the post-exposure group