Prognostic Value of Immunoscore and PD-L1 Expression in Metastatic Colorectal Cancer Patients with Different RAS Status after Palliative Operation

Table 2

Univariate and multivariate analyses of OS in 60 mCRC patients.

Variables	Univariate analysis			Multivariate analysis
	value	HR	95% CI	value	HR	95% CI
Age (≥60)	0.079	2.255	0.909–5.597	0.166	2.127	0.731–6.188
Location (left/right)	0.714	0.826	0.298–2.292	0.534	0.631	0.148–2.691
RAS mutation	0.109	0.473	0.189–1.181	0.044	0.258	0.069–0.967
Histology	0.228	0.551	0.209–1.453	0.467	0.643	0.195–2.114
Nerve invasion	0.587	1.293	0.512–3.265	0.954	0.969	0.334–2.812
Vascular invasion	0.719	1.203	0.440–3.285	0.613	0.734	0.221–2.433
Immunoscore	0.802	1.125	0.447–2.831	0.127	2.681	0.756–9.507
PD-L1	0.160	0.531	0.219–1.284	0.048	0.276	0.077–0.988