Table 3.

Cox regression analysis.

Factor	Overall survival (OS)				Disease-free survival (DFS)
	Unadjusted		Adjusted		Unadjusted		Adjusted
	HR [CI 95%]	p-value	HR [CI 95%]	p-value	HR [CI 95%]	p-value	HR [CI 95%]	p-value
sHLA-G
Low	1.00 (Ref.)	–	1.00 (Ref.)	–	1.00 (Ref.)	–	1.00 (Ref.)	–
High	2.39 [1.07–5.34]	0.034†	2.26 [1.01–5.07]	0.041†	1.99 [0.78–5.09]	0.200	1.85 [0.72–4.75]	0.200
Tumor stage
Early	1.00 (Ref.)	–	1.00 (Ref.)	–	1.00 (Ref.)	–	1.00 (Ref.)	–
Advanced	3.04 [1.48–6.23]	< 0.01†	2.99 [1.46–6.13]	< 0.01†	6.27 [2.23–17.6]	< 0.01†	6.20 [2.21–17.4]	< 0.01†

HR hazard ratio, CI confidence interval, sHLA-G Human leukocyte antigen G level.

^†p-value < 0.05.

Significant values are in [bold].