Table 2. Six genes significantly associated with OS in the training set patients.

Ensemble Gene ID	Symbol	HR	Z-score	P	Importance	Relative importance
ENSG00000180902	D2HGDH	0.77	-2.61	8.88E-03	0.012	1
ENSG00000166821	PEX11A	1.33	2.98	2.87E-03	0.0076	0.6359
ENSG00000022556	NLRP2	1.32	2.96	3.03E-03	0.0074	0.6214
ENSG00000106366	SERPINE1	1.43	3.33	8.47E-04	0.0052	0.4369
ENSG00000110375	UPK2	1.29	2.98	2.84E-03	0.005	0.4175
ENSG00000085733	CTTN	1.27	2.69	7.08E-03	0.0048	0.4