Prognostic impact of metastatic lymph node ratio in advanced gastric cancer from cardia and fundus

Table 2 Multiple stepwise regression analysis with Cox proportional hazards model

Characteristics	β	Wald	P	RR	95% CI for RR
					Low	High
MLR excluded
Tumor size		6.665	0.039
3-6 cm vs < 3 cm	0.222	1.938	0.164	1.249	0.913	1.707
> 6 cm vs < 3 cm	0.501	6.636	0.010	1.650	1.127	2.414
pT category		27.747	0.002
pT3 vs pT2	0.761	9.184	0.000	2.140	1.308	3.499
pT4 vs pT2	1.286	24.369	0.000	3.617	2.171	6.026
pN category		65.066	0.000
pN1 vs pN0	0.618	9.792	0.002	1.855	1.260	2.733
pN2 vs pN0	1.224	30.727	0.000	3.402	2.206	5.244
pN3 vs pN0	2.156	57.470	0.000	8.639	4.947	15.090
Num of total LNs	-0.682	10.684	0.001	0.506	0.336	0.761
MLR included
Tumor size		7.985	0.018
3-6 cm vs < 3 cm	0.307	3.863	0.049	1.359	1.001	1.845
> 6 cm vs < 3 cm	0.512	7.353	0.007	1.668	1.152	2.415
pT category		30.821	0.000
pT3 vs pT2	0.772	9.940	0.002	2.165	1.339	3.500
pT4 vs pT2	1.343	26.759	0.000	3.832	2.303	6.37
MLR	2.569	69.390	0.000	13.06	7.134	23.900