Table 3 Metabolite sets enrichment analysis of the differentially expressed metabolites between males and females of all participants

Fatty Acids and Conjugates

3090

11

2.53E-07

6.17E-05

Glycerophosphocholines

4700

8

4.12E-06

0.000503

Sphingomyelins

2320

4

0.000347

0.0283

Macrolides and analogues

8

1

0.00117

0.0713

Steroid conjugates

123

1

0.0178

0.87

Flavonoids

5300

3

0.0415

1

Fatty amides

406

1

0.0577

1

Octadecanoids

498

1

0.0703

1

Docosanoids

740

1

0.103

1

Glycerophosphoserines

4140

1

0.458

1

Glycerophosphoinositols

4360

1

0.475

1

Glycerophospholipids

36,400

1

0.997

1

Glycerolipids

41,400

1

0.999

1