Table 1 Patient characteristics
|  | Open gastrectomy (n = 118) | Laparoscopic gastrectomy (n = 115) | p |
|---|---|---|---|
Age (years) median (range) | 71 (39–90) | 67 (42–88) | < 0.001 |
Sex (male/female) | 76/42 | 81/34 | 0.326 |
ASA-PS 1/2/3 | 9/91/18 | 8/99/8 | 0.122 |
Comorbidity | |||
 Diabetes mellitus | 18 (15.3%) | 16 (13.9%) | 0.641 |
 Cardiovascular disease | 12 (10.2%) | 15 (13.0%) | 0.493 |
 Respiratory disease | 18 (15.2%) | 9 (7.8%) | 0.077 |
 Renal dysfunction | 3 (2.5%) | 1 (0.8%) | 0.322 |
 Total | 51 (43.2%) | 41 (35.7%) | 0.237 |
Body mass index (kg/m2) | |||
 Median (range) | 22.3 (17.2–34.7) | 23.2 (16.4–31.5) | 0.484 |
Tumor location | |||
 Upper third (%) | 33 (28.0%) | 27 (23.5%) |  |
 Middle third (%) | 45 (38.1%) | 32 (27.8%) | 0.066 |
 Lower third (%) | 40 (33.9%) | 56 (48.7%) |  |
cStage | |||
 I/II/III/IV | 28/35/51/4 | 115/0/0/0 | < 0.001 |
Surgical procedure | |||
 DG (%) | 60 (50.8%) | 77 (67.0%) |  |
 PPG (%) | 0 (0%) | 3 (2.6%) |  |
 PG (%) | 20 (16.9%) | 25 (21.7%) | < 0.001 |
 TG (%) | 38 (32.1%) | 10 (8.7%) |  |
Lymphadenectomy | |||
 D1+/D2 | 38/80 | 112/3 | < 0.001 |
Operative duration (min) | |||
 Median (range) | 224 (97–433) | 277 (159–432) | < 0.001 |
Blood loss (g) | Â | Â | Â |
Median (range) | 200 (0–1370) | 5 (5–380) | < 0.001 |
Perioperative transfusion | |||
 Yes/No | 12/106 | 1/114 | 0.002 |
D-Amy (IU/L) | |||
 POD1 Median (range) | 320 (43–16,764) | 419 (38–12,154) | 0.234 |
 POD3 Median (range) | 123 (12–2855) | 134 (24–5670) | 0.016 |
POPF | |||
 Total | 27 (22.9%) | 31 (27.0%) |  |
 BL | 16 (13.6%) | 24 (20.9%) |  |
 Grade B | 10 (8.5%) | 7 (6.1%) | 0.239 |
 Grade C | 1 (0.8%) | 0 (0%) |  |
 PLH (mm) median (range) | 8.3 (−26.7–34.9) | 10.1 (−19.8–24.9) | 0.615 |
 PLD (mm) median (range) | 11.4 (−5–25.8) | 11.2 (0–27.1) | 0.842 |
 P-A length (mm) median (range) | 35.5 (12.3–59.8) | 35.8 (16.7–49.8) | 0.716 |