Metastatic lymph nodes and prognosis assessed by the number of retrieved lymph nodes in gastric cancer

Table 2 Five-year overall survival by the number of retrieved lymph nodes in the training cohort

pT stage	No. of retrieved lymph nodes														P value
	1-5 (No., %)		6-15 (No., %)		16-25 (No., %)		26-35 (No., %)		36-45 (No., %)		46-55 (No., %)		55 + (No., %)
pT1	20	90.0	223	89.1	403	92.5	303	94.4	110	91.0	31	100.0	16	100.0	0.210
pT2	3	66.7	86	82.1	280	84.3	223	86.4	98	91.3	39	87.1	11	100.0	0.371
pT3	4	50.0	148	70.0	486	64.8	531	61.7	267	60.3	98	62.4	42	48.5	0.172
pT4	3	33.3	124	45.9	439	51.0	460	58.3	296	55.2	135	67.4	77	56.1	0.005

No: The number of patients. The five-year overall survival rate is presented as %.