Table 5.

Uni- and multivariate binary logistic regression analysis of the relationship between age and LNM in each T stage

Age	Univariate Analysis					Multivariate Analysis
group, y	Odds Ratio	95%CI		P		Odds Ratio	95%CI		P
All T stage				<0.001					<0.001
20-39	Ref					Ref
40-49	0.85	0.71	1.02	0.081		0.92	0.75	1.13	0.435
50-59	0.80	0.67	0.95	0.009		0.91	0.75	1.11	0.349
60-69	0.71	0.60	0.83	<0.001		0.87	0.72	1.05	0.146
70-79	0.60	0.51	0.70	<0.001		0.76	0.63	0.91	0.003
80+	0.55	0.46	0.64	<0.001		0.70	0.58	0.85	<0.001
T stage T1				0.016					0.031
20-39	Ref					Ref
40-49	0.81	0.50	1.32	0.398		0.74	0.45	1.23	0.247
50-59	0.76	0.48	1.19	0.230		0.77	0.48	1.22	0.259
60-69	0.73	0.47	1.14	0.165		0.72	0.46	1.13	0.153
70-79	0.59	0.38	0.92	0.019		0.59	0.38	0.93	0.022
80+	0.60	0.38	0.94	0.026		0.59	0.37	0.93	0.023
T stage T2				0.016					0.100
20-39	Ref					Ref
40-49	0.83	0.49	1.41	0.499		0.83	0.49	1.41	0.488
50-59	0.88	0.54	1.44	0.617		0.85	0.52	1.40	0.524
60-69	0.66	0.41	1.06	0.088		0.66	0.41	1.07	0.093
70-79	0.62	0.39	1.00	0.049		0.65	0.40	1.04	0.073
80+	0.63	0.39	1.01	0.054		0.67	0.41	1.08	0.098
T stage T3				0.023					0.138
20-39	Ref					Ref
40-49	0.99	0.72	1.38	0.961		1.00	0.72	1.40	0.984
50-59	1.05	0.77	1.43	0.757		1.04	0.76	1.42	0.798
60-69	0.96	0.72	1.30	0.808		1.01	0.75	1.36	0.960
70-79	0.77	0.57	1.02	0.072		0.83	0.62	1.12	0.217
80+	0.61	0.45	0.82	0.001		0.71	0.52	0.96	0.025
T stage T4				0.001					0.376
20-39	Ref					Ref
40-49	1.00	0.69	1.47	0.988		1.00	0.68	1.47	0.991
50-59	0.88	0.62	1.25	0.469		0.89	0.63	1.27	0.523
60-69	0.89	0.64	1.25	0.505		0.94	0.67	1.32	0.710
70-79	0.76	0.55	1.06	0.105		0.85	0.61	1.19	0.353
80+	0.65	0.46	0.91	0.013		0.79	0.56	1.12	0.184

Abbreviations: NOS, not otherwise specified; Ref, reference; CI, confidence interval. Covariates included age, gender, race, surgery type, tumor size, histological type, and the number of ELNs.