Table 2.

Number of LNE stratified by age and stage

Age, years	T1			T2			T3			T4
	n	Average LNE	SE	n	Average LNE	SE	n	Average LNE	SE	n	Average LNE	SE
All	33,464	7.52	0.04	38,180	8.93	0.04	4,299	9.61	0.12	6,310	9.30	0.10
≤49	1,605	7.83	0.17	2,011	9.32	0.17	332	11.35	0.52	398	9.40	0.43
50–59	5,563	7.59	0.08	6,156	9.30	0.10	823	9.60	0.27	1,156	9.41	0.22
60–69	11,740	7.58	0.06	12,661	9.09	0.07	1,410	9.78	0.22	2,132	9.43	0.18
70–79	11,868	7.49	0.06	13,680	8.72	0.06	1,408	9.25	0.22	2,129	9.34	0.18
≥80	2,688	7.09	0.12	3,672	8.37	0.12	326	8.71	0.40	495	8.21	0.35
Pa	<0.001			<0.001			<0.001			0.051

Note:

^aP-value from the one-way ANOVA test.

Abbreviations: LNE, lymph node examined; SE, standard error; ANOVA, analysis of variance.