T (pathological) | | | | 0.70 |
T1a | 10 (9.4) | 4 (14.8) | 6 (7.6) | |
T1b | 14 (13.2) | 2 (7.4) | 12 (15.2) | |
T2 | 11 (10.4) | 4 (14.8) | 7 (8.9) | |
T3 | 44 (41.5) | 11 (40.7) | 33 (41.8) | |
T4a | 21 (19.8) | 5 (18.5) | 16 (20.3) | |
T4b | 6 (5.7) | 1 (3.7) | 5 (6.3) | |
Sampled lymph nodes, median (range) | 29 (2–96) | 14 (2–92) | 33 (2–96) | < 0.0001 |
Positive lymph nodes, median (range) | 2 (0–22) | 1 (0–22) | 2 (0–21) | 0.35 |
Met the minimal requirement for lymph node dissection (≥ 16) | 82 (77.4) | 10 (37.0) | 72 (91.1) | < 0.0001 |
N (pathological) | | | | 0.39 |
N0 | 39 (36.8) | 13 (48.2) | 26 (32.9) | |
N1 | 25 (23.6) | 4 (14.8) | 20 (25.3) | |
N2 | 22 (20.8) | 6 (22.2) | 17 (21.5) | |
N3a | 15 (14.2) | 2 (7.4) | 13 (16.5) | |
N3b | 5 (4.7) | 2 (7.4) | 3 (3.8) | |
Node-positive cases | 67 (63.2) | 14 (51.9) | 53 (67.1) | 0.17 |
M (pathological) | | | | 0.99 |
M0 | 99 (93.4) | 25 (92.6) | 74 (93.7) | |
M1 | 7 (6.6) | 2 (7.4) | 5 (6.3) | |
Grade | | | | 0.09 |
1 | 15 (14.2) | 3 (11.1) | 12 (15.2) | |
2 | 37 (34.9) | 14 (51.9) | 23 (29.1) | |
3 | 54 (50.9) | 10 (37.0) | 44 (55.7) | |
Positive for HER2 | 9 (8.5) | 1 (3.7) | 8 (10.1) | 0.44 |
Diagnostic laparoscopy | 43 (40.6) | 12 (44.4) | 31 (39.2) | 0.66 |
Surgery | | | | 0.04 |
Open | 67 (63.2) | 12 (44.4) | 55 (69.6) | |
Laparoscopic | 39 (36.8) | 15 (55.6) | 24 (30.4) | |
Conversion | 1 (0.9) | 1 (3.7) | 0 | |
Gastrectomy | | | | 0.12 |
Total | 50 (47.2) | 9 (33.3) | 41 (51.9) | |
Subtotal | 56 (52.8) | 18 (66.7) | 38 (48.1) | |
Splenectomy | 26 (24.5) | 0 | 26 (32.9) | 0.0002 |
Colectomy | 1 (0.9) | 0 | 1 (1.3) | 0.99 |
Pancreatectomy | 8 (7.6) | 1 (3.7) | 7 (8.9) | 0.68 |
Roux-en-Y reconstruction | 87 (82.1) | 13 (48.2) | 74 (93.7) | < 0.0001 |
Gastric anastomosis† | | | | 0.08 |
Sutured | 8 (7.6) | 4 (14.8) | 4 (5.1) | |
Stapled | 85 (80.2) | 15 (55.6) | 70 (88.6) | |
Intracorporeal | 1 (0.9) | 0 | 1 (1.3) | |
Jejuno-jejunal anastomosis† | | | | < 0.0001 |
Sutured | 9 (8.5) | 3 (11.1) | 6 (7.6) | |
Stapled | 72 (67.9) | 10 (37.0) | 62 (78.5) | |
Intracorporeal | 0 | 0 | 0 | |
Feeding tube jejunostomy | 23 (21.7) | 16 (59.3) | 7 (8.9) | |
Surgical margins, positive | 4 (3.8) | 0 | 4 (5.1) | 0.57 |
Operating time, mean ± SD, min | 269 ± 71 | 284 ± 68 | 264 ± 71 | 0.24 |
Blood loss, mean ± SD, mL | 367 ± 277 | 305 ± 307 | 385 ± 264 | 0.22 |
Cases with complications | 25 (23.6) | 13 (48.2) | 12 (15.2) | 0.002 |
Proximal leak | 1 (0.9) | 0 | 1 (1.3) | |
Jejuno-jejunal leak | 1 (0.9) | 0 | 1 (1.3) | |
Infection | 4 (3.8) | 2 (7.4) | 2 (2.5) | |
Pneumonia | 8 (7.6) | 2 (7.4) | 6 (7.6) | |
Acute coronary syndrome | 5 (4.7) | 3 (11.1) | 2 (2.5) | |
Urinary infection | 1 (0.9) | 1 (3.7) | 0 | |
Thrombosis | 3 (2.8) | 1 (3.7) | 2 (2.5) | |
Incisional hernia | 2 (1.9) | 1 (3.7) | 1 (1.3) | |
30-day mortality | 3 (2.8) | 2 (7.4) | 1 (1.3) | |
Reoperation for complication | 1 (0.9) | 1 (3.7) | 0 | |
Length of stay, mean ± SD, d | 16 ± 26 | 23 ± 45 | 11 ± 7 | 0.03 |
Neoadjuvant chemotherapy | 43 (40.6) | 10 (37.0) | 33 (41.8) | 0.82 |
ECF | 25 (23.6) | 8 (29.6) | 17 (21.5) | |
EOF | 1 (0.9) | 0 | 1 (1.3) | |
EOX | 3 (2.8) | 1 (3.7) | 2 (2.5) | |
DCF | 7 (6.6) | 0 | 7 (8.9) | |
D-FOX | 6 (5.7) | 0 | 6 (7.6) | |
Adjuvant radiotherapy | 8 (7.6) | 5 (18.5) | 3 (3.8) | 0.02 |
Adjuvant chemotherapy | 30 (28.3) | 7 (25.9) | 23 (29.1) | 0.81 |