Table 4.

Correlation between protein and mRNA expression levels.

Gene	Correlationa	BRCA1	ERCC1	TS	RRM1	RRM2	TUBB3
BRCA1	r	−0.040	0.188	−0.060	−0.009	−0.083	−0.032
	Number	80	80	79	79	80	80
ERCC1	r		0.152	−0.040	0.078	0.092	−0.080
	Number		82	81	81	82	82
TS	r			0.467∗∗	0.137	0.046	−0.270∗
	Number			77	77	78	78
RRM1	r				0.286∗	0.094	−0.034
	Number				71	71	71
RRM2	r					0.063	−0.111
	Number					75	75
TUBB3	r						−0.114
	Number						80

^aPearson's correlation coefficient, ^∗∗ p value < 0.01, and ^∗ p value < 0.05. Analysis was performed on subjects with complete data (range between 71 and 82).