Table 2.

Multivariate analyses

	Disease-free survival			Overall survival
Variable	P-value	RR	95% CI	P-value	RR	95% CI
pN0 patients
CD45RO+ (low)	0.004	4.7	1.6-13.5	n. s.
All patients
pN	< 0.0001	4.7	2.5-9.0	< 0.0001	4.6	2.4-8.8
M	0.011	3.1	1.3-7.3	0.023	2.8	1.1-6.6
CD45RO+ (low)	0.048	2.0	1.0-4.0	0.028	1.1	1.0-1.2

Abbreviations: CI, confidence interval; n.s., not significant; RR, relative risk