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

Table 3 Comparison of intraoperative characteristics between the 2 groups

Intraoperative characteristics	Terminal branches of the SpA		P value
	Concentrated type	Distributed type
Operation time (min)	175.35 ± 32.95	175.53 ± 30.24	0.963
Operation time at splenic hilum (min)	23.15 ± 8.02	26.21 ± 8.84	0.002
Blood loss (mL)	53.76 ± 33.09	54.29 ± 29.33	0.887
Blood loss at splenic hilum (mL)	14.78 ± 11.09	17.37 ± 10.62	0.044
No. of positive LNs	7.36 ± 9.04	8.22 ± 10.04	0.433
No. of retrieved LNs	40.36 ± 14.08	44.46 ± 14.80	0.015
No. of positive No. 10 LNs	0.23 ± 0.81	0.11 ± 0.53	0.152
No. of retrieved No. 10 LNs	2.54 ± 2.18	2.96 ± 2.11	0.103
No. of vascular clamps at splenic hilum	9.64 ± 2.88	10.40 ± 3.57	0.040

LNs: Lymph nodes.