. 2018 Jan 9;9(10):9512–9530. doi: 10.18632/oncotarget.24056

Table 7. Survival analysis of radiographic-grouping by the type of lymph node dissection.

Radiographic-grouping		Lymph node dissection type	Patient number	Total	Chi-square	P
Largest long diameter group	1	2	65	90	2.936	.087
	1	3	25
	2	2	72	84	.376	.540
	2	3	12
	3	2	63	74	1.170	.279
	3	3	11
	4	2	67	76	.059	.808
	4	3	9
CT lesion length group	1	2	74	97	6.567	.010
	1	3	23
	2	2	70	88	.426	.514
	2	3	18
	3	2	64	73	.002	.966
	3	3	9
	4	2	59	66	8.377	.004
	4	3	7
Max lesion area group	1	2	55	78	2.631	.105
	1	3	23
	2	2	77	89	.292	.589
	2	3	12
	3	2	66	78	.010	.920
	3	3	12
	4	2	69	79	.925	.336
	4	3	10
		Overall	324