Anatomy and influence of the splenic artery in laparoscopic spleen-preserving splenic lymphadenectomy

Table 2 Comparison of clinicopathological characteristics between the 2 groups

Patient characteristics	Terminal branches of the SpA		P value
	Concentrated type	Distributed type
No. of patients	205	112
Sex			0.617
Male	156	88
Female	49	24
Age (yr)	60.79 ± 10.30	60.79 ± 10.77	1.000
BMI (kg/m2)	22.16 ± 2.62	21.68 ± 2.72	0.122
Tumor size (cm)	5.40 ± 2.75	5.83 ± 2.63	0.178
Histological			0.072
Differentiated	115	51
Undifferentiated	90	61
Depth of invasion			0.501
pT1	22	9
pT2	24	16
pT3	84	39
pT4a	75	48
Lymph node metastasis			0.978
pN0	52	29
pN1	35	21
pN2	39	21
pN3	79	41
TNM stage			0.584
I	30	12
II	51	31
III	124	69