Table 1. The prognostic genes involved in XMG model based on a multivariate Cox regression analysis.

Gene	Full name	Coefficient	HR	HR 95% CI (low)	HR 95% CI (high)
CYP2W1	Cytochrome P450 2W1	0.0042	1.0042	0.9999	1.0084
GSTM1	Glutathione S-transferase Mu 1	0.0913	1.0956	1.0276	1.1680
TGFB2	Transforming growth factor beta-1	0.2130	1.2373	1.0675	1.4342
MPP2	MAGUK p55 subfamily member 2	0.9292	2.5324	1.0626	6.0353
ACOX1	Peroxisomal acyl-coenzyme A oxidase 1	-0.1166	0.8899	0.8165	0.9700

XMG, xenobiotic metabolism gene; HR, hazard ratio; CI, confidence interval.