Table 3.

Cox multivariate analysis of variables affecting overall survival in NSCLC patients

Variables	Hazard ratio	95% confidence interval	P-value
Differentiation	1.351	0.810–2.253	0.249
TNM stage	2.686	1.461–4.938	0.001*
LN metastasis	3.173	1.822–5.525	<0.001*
GPR56 expression	2.489	1.219–5.086	0.012*

Note:

^*Statistically significant.

Abbreviations: GPR56, G protein-coupled receptor 56; LN, lymph node; NSCLC, non-small-cell lung carcinoma.