Lymph node pick up by separate stations: Option or necessity?

Table 2 Hazard ratios and 95%CI from multivariate Cox regression models

Parameter		HR	95%CI		P
No. specimens sent to pathologist	Group A vs Group B	1.239	1.053	1.458	0.0098
Gender	M vs F	1.235	1.046	1.457	0.0127
Age, yr	> 75 vs ≤ 75	2.190	1.858	2.582	< 0.0001
T	2 vs 1	1.202	0.843	1.715	0.3087
	3 vs 1	1.957	1.438	2.663	< 0.0001
	4 vs 1	3.410	2.518	4.618	< 0.0001
N	+ vs -	2.166	1.753	2.676	< 0.0001
Type of procedure	Total vs partial	1.327	1.132	1.556	0.0005
Lauren classification	Diffuse-mixed vs intestinal	1.256	1.051	1.500	0.0119

HR: Hazard ratios.