Table 4. Multivariate Cox regression analysis of RKIP expression in the tumor center and other established prognostic variables.

	HR (95% CI)	P-value
RKIP expression
Negative (<10%)	1.78 (1.01–3.07)	0.0474
Positive (>10%)	1.0	—
T-Stage
pT1–2	1.0	0.5021
pT3–4	1.34 (0.57–3.17)	—
N-Stage
pN0	1.0	0.0001
pN1–2	4.15 (2.0–8.6)	—
M-Stage
pM0	1.0	0.0002
pM1	3.44 (1.79–6.6)
Postop therapy
No	1.0	0.1127
Yes	0.61 (0.33–1.12)	—