Table 2.

Cox regression analysis data

Variables	Training cohort				Entire cohort
	Univariate Cox regression analysis		Multivariate Cox regression analysis		Univariate Cox regression analysis		Multivariate Cox regression analysis
	p value	Hazard ratio	p value	Hazard ratio	p value	Hazard ratio	p value	Hazard ratio
Age	0.117	1.835 (0.859–3.919)			0.023	1.855 (1.088–3.162)	0.194	1.439 (0.830–2.494)
Stage	0.003	2.778 (1.424–5.418)	0.08	1.934 (0.923–4.050)	< 0.001	4.373 (2.733–6.996)	< 0.001	3.485 (2.148–5.653)
Histological type	0.027	2.156 (1.091–4.262)	0.828	0.912 (0.395–2.101)	< 0.001	2.955 (1.862–4.688)	0.133	1.500 (0.884–2.545)
Grade	0.017	2.766 (1.204–6.356)	0.1	2.153 (0.864–5.368)	< 0.001	3.715 (1.905–7.244)	0.034	2.202 (1.060–4.571)
MDS	< 0.001	1.391 (1.201–1.610)	0.003	1.289 (1.089–1.524)	< 0.001	1.284 (1.139–1.447)	0.035	1.154 (1.010–1.318)

Bold values indicate p < 0.05