Table 2.

Univariate and multivariable Cox regression analysis of the EMT-related genes and overall survival in different patient sets.

Variable	Univariable model			Multivariable model
	HR	95% CI	p-Value	HR	95% CI	p-Value
Training set (n = 153)
Age	2.024	1.115–3.675	0.021	1.698	0.901–3.199	0.101
histological_type	2.888	1.754–4.755	3.05E−05	1.625	0.929–2.841	0.089
Grade	2.939	1.176–7.342	0.021	1.248	0.461–3.381	0.663
Stage	4.446	2.680–7.374	7.53E−09	3.361	1.914–5.902	2.43E−05
riskScore	1.105	1.075–1.136	1.53E−12	1.084	1.054–1.116	3.34E−08
Testing set (n = 358)
Age	1.397	0.633–3.086	0.408
histological_type	3.501	1.609–7.618	0.002	2.903	1.264–6.670	0.012
Grade	5.407	0.732–39.947	0.098
Stage	3.413	1.575–7.398	0.002	2.251	0.974–5.202	0.058
riskScore	1.036	1.012–1.061	0.003	1.033	1.006–1.061	0.016
Entire set (n = 511)
Age	1.778	1.112–2.843	0.016	1.498	0.915–2.454	0.108
histological_type	3.044	2.003–4.624	1.84E−07	1.940	1.219–3.087	0.005
Grade	3.363	1.467–7.710	0.004	1.479	0.609–3.592	0.387
Stage	4.116	2.700–6.275	4.82E−11	3.014	1.892–4.799	3.38E−06
riskScore	1.048	1.033–1.062	6.81E−11	1.038	1.021–1.054	5.15E−06

EMT, epithelial–mesenchymal transition.