Table 2.

Correlation among different proliferation markers in the Stiftung Tumorbank Basel data set and association with survival

	Correlationa				Univariate Cox regressionb (P value)
	E2F1	BIRC5	TOP2A	TK1
E2F1	-				<0.001
BIRC5	0.84				0.001
TOP2A	0.78	0.76			<0.001
TK1	0.79	0.88	0.67		0.018
TYMS	0.81	0.80	0.71	0.77	0.005

^aPearson correlation coefficient, all P < 0.05. ^bMetastasis-free survival.