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