Table 5. Multivariate Cox regression analysis for overall survival (entire cohort of patients).

Characteristic	Adjusted HR* (95% CI)	p-value
miR-21expression
Low expression	1 (ref.)	0.036
High expression	2.05 (1.05 – 4.02)
Tumor Staging
CS III	1 (ref.)	0.003
CS IV	3.17 (1.49 – 6.77)

* Adjusted by age, tumor site, tumor resectability, and set ‘screening vs. validation’