Short-term outcomes of robotic- versus laparoscopic-assisted Total Gastrectomy for advanced gastric Cancer: a propensity score matching study

Table 2 Comparison of surgical outcomes and postoperative recovery

Variables	All Patients			Patients after PSM
Variables	RATG(n = 126)	LATG(n = 257)	p	RATG(n = 126)	LATG(n = 126)	p
Operation time, min (mean ± SD)	291.14 ± 59.18	270.27 ± 49.41	0.003	291.14 ± 59.18	270.34 ± 52.22	0.003
Bleeding, ml (mean ± SD)	154.37 ± 89.68	175.19 ± 105.44	0.028	154.37 ± 89.68	183.77 ± 95.39	0.004
Retrieved lymph nodes (mean ± SD)	34.90 ± 13.05	32.02 ± 12.41	0.037	34.90 ± 13.05	31.91 ± 12.46	0.065
N1 tier (mean ± SD)	25.83 ± 10.68	24.41 ± 10.09	0.206	25.83 ± 10.68	24.36 ± 10.00	0.261
N2 tier (mean ± SD)	9.07 ± 5.34	7.61 ± 4.57	0.007	9.07 ± 5.34	7.56 ± 4.50	0.016
Length of incision, cm (mean ± SD)	6.32 ± 1.58	6.34 ± 1.75	0.546	6.32 ± 1.58	6.46 ± 1.87	0.914
Proximal margin, cm (mean ± SD)	3.55 ± 1.69	3.67 ± 1.43	0.488	3.55 ± 1.69	3.67 ± 1.53	0.553
Distal margin, cm (mean ± SD)	7.14 ± 3.68	7.59 ± 3.79	0.275	7.14 ± 3.68	7.72 ± 3.83	0.225
R0/R1	116/10	244/13	0.265	116/10	118/8	0.625
Postoperative hospital stay, d (mean ± SD)	9.62 ± 2.86	9.93 ± 4.00	0.430	9.62 ± 2.86	9.86 ± 4.31	0.606

RATG Robotic-assisted total gastrectomy, LATG Laparoscopic-assisted total gastrectomy, PSM Propensity Score Matching, SD Standard Deviation, R Residual disease(R classification)

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