Table 3.

Results of meta-regression on RFS and OS

Variables	RFS			OS
	Slope	SE a	P value	Slope	SE a	P value
Year	0.1650	0.0854	0.053	0.0377	0.0340	0.267
Country	−0.0101	0.5767	0.986	0.2241	0.1113	0.004
Method	−0.4894	0.5604	0.382	−0.0180	0.2176	0.934
Marker type	−0.2650	0.3991	0.507	0.1061	0.1386	0.444
Time point	0.9260	0.3442	0.007	0.2733	0.1115	0.014
Patient no.	0.0045	0.0061	0.465	−0.0011	0.0031	0.726
Detection rate	−0.0206	0.0155	0.185	−0.0102	0.0020	0.010

^aStandard error of the slope.