Table 3.

Enrichment Analysis for Significant Metabolites

Category	No. of Significant Metabolites in the Category	No. of Total Metabolites in the Category	Disease	Permutation P Value
Carnitine	3	24	VTE	0.41
Diacylglycerols	11	12	VTE	0.004a
Lysophosphatidylcholine	2	9	VTE	0.23
Phosphatidylcholine	3	36	VTE	0.54
Phosphatidylethanolamine	5	23	VTE	0.32
Triacylglycerols	16	42	VTE	0.14
Other	10	40	VTE	0.39
Carnitine	4	24	PE	0.35
Cholesteryl esters	2	12	PE	0.28
Diacylglycerols	8	12	PE	0.03a
Lysophosphatidylcholine	1	9	PE	0.25
Phosphatidylcholine	2	36	PE	0.53
Phosphatidylethanolamine	4	23	PE	0.32
Triacylglycerols	15	42	PE	0.11
Other	5	40	PE	0.59

Only metabolite categories with nominal significant associations (from Table 2) were shown in the table. PE indicates pulmonary embolism; VTE, venous thromboembolism.

^a P<0.05.