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Table 4 Comparison of the 2 surgical methods between different tumor location after PSM

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

  Location EGJ Location non-EGJ
RATG(n = 58) LATG(n = 61) p RATG(n = 68) LATG(n = 65) p
Age 61.64 ± 8.57 62.41 ± 7.80 0.608 59.21 ± 9.16 59.25 ± 9.89 0.981
Sex (male/female) 50/8 51/10 0.692 55/13 49/16 0.443
BMI (kg/m2) 22.90 ± 2.38 22.45 ± 2.82 0.344 21.41 ± 2.37 21.82 ± 2.84 0.359
Tumor size (cm) 3.66 ± 1.53 4.10 ± 1.51 0.121 5.44 ± 2.39 4.69 ± 2.91 0.106
TNM (IB/IIA/IIB/IIIA/IIIB/IIIC) 2/1/12/27/11/5 1/1/10/29/12/8 0.350 1/5/12/25/10/15 7/0/12/21/16/9 0.611
Comorbidities (present/absent) 18/40 11/50 0.099 17/51 24/41 0.137
Operation time (min) 287.98 ± 51.97 273.07 ± 49.62 0.113 293.84 ± 64.95 267.78 ± 54.80 0.014
Estimated blood loss (ml) 134.66 ± 58.83 173.93 ± 89.41 0.011 171.18 ± 106.95 193.00 ± 100.49 0.085
No. of N2 tier 8.79 ± 4.86 7.43 ± 3.84 0.091 9.31 ± 5.75 7.68 ± 5.07 0.085
No. of Retrieved lymph nodes 35.43 ± 13.38 33.36 ± 11.68 0.184 34.44 ± 12.84 31.49 ± 13.23 0.194
R0/R1 52/6 56/5 0.686 64/4 62/3 1.000
Proximal margin (cm) 2.12 ± 0.99 2.58 ± 1.08 0.013 4.77 ± 1.11 4.69 ± 1.14 0.682
Postoperative complication (%) 18 (31.0) 15 (24.6) 0.433 12 (17.6) 17 (26.2) 0.235
Clavien-Dindo grade ≥ IIIa (%) 5 (8.6) 1 (1.6) 0.187 2 (2.9) 6 (9.2) 0.246
Postoperative hospital stay (d) 9.90 ± 2.77 9.31 ± 1.85 0.176 9.38 ± 2.93 10.37 ± 5.71 0.914
  1. RATG Robotic-assisted total gastrectomy, LATG Laparoscopic-assisted total gastrectomy, BMI body mass index, TNM tumor-node-metastasis, EGJ esophagogastric junction, R Residual disease(R classification)