Identification of DNA repair-related genes predicting pathogenesis and prognosis for liver cancer

Table 4 Univariate and multivariate Cox analysis to confirm the factors affected the prognosis of patients with liver cancer in TCGA

Factor	Univariate analysis		P value	Multivariate analysis		P value
Factor	HR	95% CI of HR	P value	HR	95% CI of HR	P value
Risk score (Low/High)	2.184	1.523–3.132	< 0.0001	2.161	1.302–3.586	0.003
Age	1.012	0.999–1.026	0.076
Gender (male/female)	0.82	0.575–1.168	0.271
New event time	0.998	0.997–0.998	< 0.0001	0.998	0.997–0.998	< 0.0001
Tumor topography (T1 + T2/T3 + T4)	2.524	1.774–3.591	< 0.0001	1.251	0.162–9.635	0.83
Stage (stage1 + 2/stage3 + 4)	2.432	1.678–3.525	< 0.0001	0.806	0.105–6.168	0.835
Cancer status (tumor free/with tumor)	1.577	1.099–2.262	0.013	0.611	0.355–1.051	0.075

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