Prognostic Impact of the Number of Examined Lymph Nodes in Stage II Colorectal Adenocarcinoma: A Retrospective Study

Table 2

	Stage migration (T3/T4, N0 to N1/N2)				Tumor-specific deaths (LN negative patients)
	Sig.	OR	LL	UL	Sig.	OR	LL	UL
Age >70 years old	<0.001	0.767	0.756	0.779	<0.001	1.802	1.756	1.848
Female gender	0.260	1.008	0.994	0.023	<0.001	0.923	0.902	0.945
Poorer differentiation	<0.001	1.680	1.658	1.703	<0.001	1.138	1.113	1.163
T4 stage	<0.001	1.481	1.452	1.509	<0.001	2.120	2.063	2.179
Larger ELN volume	<0.001	1.010	1.009	1.011	<0.001	0.976	0.975	0.977
Chemotherapy	NA	NA	NA	NA	<0.001	0.844	0.816	0.872
Radiotherapy	NA	NA	NA	NA	<0.001	1.215	1.166	1.267