The Prognostic Value of Lymph Nodes Dissection Number on Survival of Patients with Lymph Node-Negative Gastric Cancer

Table 4

A stratified analysis between examined LNs and survival rate in all patients.

	𝑛	1–15		16–20		21–25		26–30		>30		𝑃
		𝑛	ST	𝑛	ST	𝑛	ST	𝑛	ST	𝑛	ST
T1	90	21	47.3±28.9	17	49.8±26.2	12	53.8±18.8	14	54.1±32.8	26	55.3±32.3	0.06
T2	55	10	43.5±29.3	13	44.1±24.8	8	47.3±47.1	6	55.0±34.4	18	47.1±25.2	0.002
T3	118	31	47.5±27.4	15	51.8±26.3	18	57.8±35.4	14	71.0±22.8	42	50.0±33.5	0.000
T4	37	12	40.1±41.0	8	48.2+14.1	9	50.2±23.3	2	71.1±35.5	6	46.8±36.3	0.000
Sum	300	74	43.7±28.0	53	48.4±25.5	45	52.7±32.8	36	62.0±31.3	92	49.7±31.8	0.000

ST: survival time (month for unit); 𝑃<0.05 indicated a statistical significance by one-way ANOVA test.