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Table 6 Comparison of the 2 surgical methods between different age after PSM

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

  Age ≥ 65ys Age < 65ys
RATG(n = 47) LATG(n = 44) p RATG(n = 79) LATG(n = 82) p
Sex (male/female) 42/5 37/7 0.458 63/16 63/19 0.654
BMI (kg/m2) 22.54 ± 2.69 21.69 ± 2.68 0.137 21.83 ± 2.32 22.36 ± 2.90 0.214
Tumor location (non-EGJ/EGJ) 20/27 22/22 0.476 48/31 43/39 0.287
Tumor size (cm) 4.39 ± 2.05 4.48 ± 2.70 0.868 4.76 ± 2.31 4.36 ± 2.16 0.263
TNM (IB/IIA/IIB/IIIA/IIIB/IIIC) 2/3/4/17/11/10 4/1/6/15/11/7 0.503 1/3/20/35/10/10 4/0/16/35/17/10 0.340
Comorbidities (present/absent) 14/33 18/26 0.267 21/58 17/65 0.382
Operation time (min) 291.70 ± 71.98 259.98 ± 49.99 0.017 290.81 ± 50.55 275.90 ± 52.83 0.069
Estimated blood loss (ml) 161.81 ± 94.15 174.20 ± 90.68 0.524 149.94 ± 87.23 188.90 ± 97.98 0.037
No. of N2 tier 9.19 ± 6.45 7.41 ± 4.18 0.124 9.00 ± 4.61 7.63 ± 4.69 0.012
No. of Retrieved lymph nodes 34.79 ± 13.33 33.02 ± 12.29 0.514 34.96 ± 12.96 31.32 ± 12.59 0.072
R0/R1 42/5 39/5 1.000 72/5 79/3 0.650
Proximal margin (cm) 3.22 ± 1.57 3.61 ± 1.44 0.221 3.74 ± 1.74 3.70 ± 1.59 0.870
Postoperative complication (%) 14 (29.8) 14 (31.8) 0.834 16 (20.3) 22 (26.8) 0.326
Clavien-Dindo grade ≥ IIIa (%) 3 (6.4) 1 (2.3) 0.657 4 (5.1) 6 (7.3) 0.554
Postoperative hospital stay (d) 9.79 ± 2.81 10.34 ± 4.98 0.512 9.52 ± 2.92 9.60 ± 3.92 0.885
  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)