Table 2. COX model of the significant variables.

Variables	HR (95% CI)	Cox model P value
Age	1.43 (1.00–2.04)	0.053
Sex	1.28 (0.80–2.04)	0.311
Smoking	1.58 (1.00–2.50)	0.051
surgery	0.71 (0.47–1.08)	0.108
Chemotherapy	0.67 (0.45–0.99)	0.048
Radiotherapy	0.70 (0.49–1.02)	0.060
Stage	1.17 (0.95–1.44)	0.136
lnc-RAB11B-AS1 over-expression	1.76 (1.09–2.85)	0.020