Supplementary File S12: Univariate Cox regression analyses of validation cohorts 		
GSE73403		
Factors	HR	P
RiskScore	3.612146057	0.009037605
Age	1.079972167	0.926533234
T	4.478778032	0.034378336
N	1.595153739	0.10857626
M	NA	NA
Gender	1.149531625	0.850201091
Stage	3.085982157	0.023833838
Smoking	1.077143159	0.464148695
GSE74777 		
Factors	HR	P
risk_score	3.509556743	0.01609721
age	3.249013885	0.271991992
T	2.830186615	0.030961471
N	1.284463035	0.448350104
M	NA	NA
Gender	3.129988114	0.115771229
Stage	1.707219083	0.313574981
GSE157009		
Factors	HR	P
RiskScore	3.80179374	0.000134932
Age	5.021900451	0.001484351
T	2.677818746	8.23E-05
N	NA	NA
M	NA	NA
Gender	1.38327071	0.070008929
GSE157010		
Factors	HR	P
RiskScore	3.787907487	0.0006305
Age	1.092093706	0.865046359
T	2.048914408	0.013160337
N	NA	NA
M	NA	NA
Gender	1.237367098	0.283707928
GSE157011		
Factors	HR	P
RiskScore	3.808013127	0.000392121
Age	2.441784484	0.013254677
T	2.375441058	3.51E-06
N	NA	NA
M	NA	NA
Gender	1.314823763	0.03920587
GSE67061		
Factors	HR	P
RiskScore	3.066320035	0.000159694
Age	1.064632331	0.949004014
T	1.382211052	0.612650957
N	1.340154654	0.484171065
M	NA	NA
Gender	0.447000857	0.195200434
Stage	0.76341656	0.584026396