Role of 3DCT in laparoscopic total gastrectomy with spleen-preserving splenic lymph node dissection

Table 5 Subgroup comparison according to the number of cumulative laparoscopic spleen-preserving splenic hilar lymph node dissection cases

	Less than 40 cases (n = 40)			More than 40 cases (n = 272)
	Group NO-3DCT	Group 3DCT	P value	Group NO-3DCT	Group 3DCT	P value
No. of patients	18	22		59	213
Age, yr	61.05 ± 10.14	59.22 ± 13.46	0.827	63.81 ± 8.03	60.96 ± 10.52	0.053
Operation time, min	205.00 ± 67.36	199.44 ± 46.99	0.769	176.40 ± 27.83	173.39 ± 27.59	0.466
Operation time at the splenic hilum, min	30.27 ± 11.58	28.92 ± 11.61	0.779	23.85 ± 7.92	18.63 ± 4.40	0.000
Blood loss, mL	69.32 ± 37.49	66.35 ± 33.10	0.368	49.18 ± 23.25	50.29 ± 29.97	0.799
Blood loss at the splenic hilum, mL	30.27 ± 8.17	32.38 ± 13.61	0.514	15.10 ± 4.42	13.10 ± 4.17	0.005
No. of retrieved lymph nodes	34.97 ± 10.67	25.33 ± 10.26	0.140	43.54 ± 14.61	43.47 ± 15.56	0.980
No. of retrieved No. 10 lymph nodes	2.81 ± 2.00	2.33 ± 1.87	0.313	2.74 ± 2.33	2.88 ± 2.33	0.719
Postoperative hospital stay, d	12.87 ± 1.78	11.91 ± 2.59	0.112	11.93 ± 5.27	12.15 ± 6.37	0.809
Postoperative complications, n	3	3	0.789	8	32	0.779

3DCT: Computed tomography with 3D imaging.