Table.2 Operative results and post-operative courses
From: Functional benefits of the double flap technique after proximal gastrectomy for gastric cancer
|  | DEG (N = 9) | JIP (N = 10) | DTR (N = 14) | DFT (N = 36) | p-value |
|---|---|---|---|---|---|
Extent of dissection (%) | |||||
 D1 | 5 (55.6%) | 4 (40.0%) | 4 (28.6%) | 3 (8.3%) |  < 0.001* |
 D1 +  | 4 (44.4%) | 6 (60.0%) | 10 (71.4%) | 33 (91.7%) |  |
Approach | |||||
 Open laparotomy | 6 (66.7%) | 10 (100%) | 0 (0%) | 3 (8.3%) |  < 0.001* |
 HALS | 1 (11.1%) | 0 (0%) | 0 (0%) | 0 (0%) |  |
 Laparoscopy | 2 (22.2%) | 0 (0%) | 14 (100%) | 20 (55.6%) |  |
 Robotic laparoscopy | 0 (0%) | 0 (0%) | 0 (0%) | 13 (36.1%) |  |
Depth of invasion (%) | |||||
 T1a | 2 (22.2%) | 0 (0%) | 4 (28.6%) | 5 (13.9%) | 0.446 |
 T1b | 5 (55.6%) | 9 (90.0%) | 8 (57.1%) | 22 (61.1%) |  |
 T2 | 0 (0%) | 1 (10.0%) | 1 (7.1%) | 7 (19.4%) |  |
 T3 | 1(11.1%) | 0 (0%) | 1 (7.1%) | 1 (2.8%) |  |
 T4a | 1 (11.1%) | 0 (0%) | 0 (0%) | 1 (2.8%) |  |
Lymph node metastasis | |||||
 N0 | 9 (100.0%) | 10 (100.0%) | 12 (85.7%) | 33 (91.7%) | 0.462 |
 N1 | 0 (0%) | 0 (0%) | 1 (7.1%) | 3 (8.3%) |  |
 N2 | 0 (0%) | 0 (0%) | 1 (7.1%) | 0 (0%) |  |
Pathological Stage(UICC 7th) | |||||
 IA | 7 (77.8%) | 9 (90.0%) | 11(78.6%) | 26 (72.2%) | 0.590 |
 IB | 0 (0%) | 1 (10.0%) | 1 (7.1%) | 8 (22.2%) |  |
 IIA | 1 (11.1%) | 0 (0%) | 1 (7.1%) | 1 (2.8%) |  |
 IIB | 1 (11.1%) | 0 (0%) | 1 (7.1%) | 1 (2.8%) |  |
 Hospital stay (days, mean ± SD) | 18.1 ± 5.8 | 15.2 ± 5.6 | 12.2 ± 3.6 | 10.5 ± 3.3 |  < 0.001* |
Short-term complications | |||||
 CDa grade II | |||||
  Ileus | 0 (0%) | 0 (0%) | 1 (7.1%) | 3 (8.3%) | 0.650 |
  Pneumonia | 0 (0%) | 0 (0%) | 1 (7.1%) | 0 (0%) | 0.263 |
  Postoperative hemorrhage (%) | 1 (11.1%) | 1 (10%) | 0 (0%) | 1 (2.8%) | 0.456 |
  Anastomotic leakage | 0 (0%) | 0 (0%) | 0 (0%) | 1 (2.8%) | 0.818 |
  Pancreatic fistula | 0 (0%) | 0 (0%) | 1 (7.1%) | 1 (2.8%) | 0.690 |
Long-term complications | |||||
 Anastomotic stenosisb | 1 (11.1%) | 1 (10%) | 3 (21.4%) | 3 (8.3%) | 0.935 |
 Reflux esophagitisc | 2 (22.2%) | 1 (10%) | 3 (21.4%) | 0 (0%) | 0.203 |
 Gastric residuald | 3 (33.3%) | 7 (70%) | 2 (14.3%) | 5 (13.9%) | 0.017* |
 PPIe administration | 8 (88.9%) | 5 (50%) | 2 (14.3%) | 6 (16.7%) |  < 0.001 |