Table 3.

Systematic reviews comparing RAMPS and DP pathological examination risk

Factors	Included articles	RAMPS	DP	Heterogeneity test		RR/WMD
				I2(%)	P	95% CI	P
R0 resection	[10–14]	117	118	0	0.49	2.37 (1.19~4.72)	0.01
the number of lymph node	[10–12, 14]	97	96	0	0.85	7.08 (4.59~9.58)	<0.00001