Para-aortic node involvement is not an independent predictor of survival after resection for pancreatic cancer

Table 1 Comparison of clinicopathological characteristics of patients with or without para-aortic nodesinvolvement

	Total(n = 151)	PALNs-(n = 126)	PALNs+(n = 25)	P value
Mean/median age	65/67	65/66	65/68
Sex
F	75	59	16	0.13
M	76	67	9
Type of surgery
PD	146	122	24	1.00
TP	5	4	1
Vascular resection	29	21	8	0.09
Tumor (T)
1	6	6	0	0.50
2	17	14	3	1.00
3	107	90	17	0.80
4	21	16	5	0.50
Nodes status (N)
Neg	39	39	0	0.003
Pos	112	87	25
Grading (G)
1	15	11	4	0.20
2	89	77	12	0.20
3	47	38	9	0.60
Radicality
Yes	113	100	13	0.009
No	38	26	12
Adjuvant therapy
Yes	143	120	23	0.74
No	8	6	0

PALNs: Para-aortic lymph nodes; PD: Pancreaticoduodenectomy; TP: Total pancreatectomy; Grading 1, 2, 3: Well, moderate, poor differentiated cancer.