Table 2.

Univariate and multivariate analyses of overall survival in NSCLC patients.

	Univariate analysis			Multivariate analysis
Variable	Hazard ratio	95% CI	P value		Hazard ratio	95% CI	P value
Gender	0.819	0.320–2.100	0.678
Age(years)	1.030	0.998–1.064	0.069
Smoking history	1.410	0.646–3.081	0.388
Histological subtype	1.085	0.316–3.724	0.896
Differentiated degree	0.911	0.549–1.509	0.717
Adjacent organs invasion	0.989	0.385–2.539	0.982
Tumor size(cm)	0.985	0.848–1.144	0.842
Lymph node metastasis	1.847	1.290–2.646	0.001		1.243	0.611–2.528	0.548
Clinical stage	1.948	1.325–2.866	<0.001		1.536	0.742–3.176	0.247
HN1L expression	0.496	0.260–0.946	0.033		0.542	0.283–1.040	0.046

CI, confidence interval; Statistical significance (P < 0.05) is shown in bold.