Table 3 Operative outcomes and surgical complications of patients with gastric GISTs according to tumor size.
Variable | Tumor size ≤ 5 cm | P value | Tumor size > 5 cm | P value | ||
|---|---|---|---|---|---|---|
Laparoscopic group (N = 254) | Open group (N = 244) | Laparoscopic group (N = 64) | Open group (N = 74) | |||
Operation time (minute) | ||||||
Overall | 112.5 ± 58.9 | 100.0 ± 53.3 | 0.015 | 120.1 ± 48.8 | 103.5 ± 58.6 | 0.073 |
Conversion to open surgery | 5 (2.0) | 6 (9.4) | – | – | ||
Tumor rupture during surgery | 0 (0) | 3 (1.2) | 0.117 | 0 (0) | 3 (4.1) | 0.248 |
Hospital days (mean ± SD) | ||||||
Overall | 6.5 ± 4.2 | 8.8 ± 6.7 | < 0.001 | 6.6 ± 2.7 | 9.0 ± 5.9 | 0.003 |
Postoperative complications | ||||||
Total number of cases with complication | 9 (3.5) | 13 (5.3) | 0.387 | 2 (3.1) | 12 (16.2) | 0.012 |
Wound | 1 (0.4) | 5 (2.0) | 0.116 | 1 (1.6) | 5 (6.8) | 0.216 |
Fluid collection | 1 (0.4) | 0 (0) | 0.327 | 0 (0) | 1 (1.4) | 0.351 |
Intraabdominal bleeding | 3 (1.2) | 3 (1.2) | 0.961 | 0 (0) | 0 (0) | – |
Luminal bleeding | 1 (0.4) | 1 (0.4) | 0.977 | 1 (1.6) | 0 (0) | 0.464 |
Stenosis | 2 (0.9) | 1 (0.5) | 0.600 | 0 (0) | 0 (0) | – |
Intestinal motility disorder | 0 (0) | 2 (0.8) | 0.240 | 0 (0) | 3 (4.1) | 0.248 |
Leakage | 0 (0) | 1 (0.4) | 0.490 | 0 (0) | 0 (0) | – |
Fistula | 0 (0) | 0 (0) | – | 0 (0) | 1 (1.4) | 0.351 |
Pulmonary complications | 0 (0) | 2 (0.8) | 0.240 | 0 (0) | 2 (2.7) | 0.499 |
Urinary complications | 1 (0.4) | 0 (0) | 0.327 | 0 (0) | 1 (1.4) | 0.351 |
Clavien–Dindo classification | ||||||
Grade I | 1 (0.4) | 3 (1.2) | 0.364 | 1 (1.6) | 1 (1.4) | 0.918 |
Grade II | 3 (1.2) | 3 (1.2) | 1.000 | 0 (0) | 3 (4.1) | 0.248 |
Grade IIIa | 5 (2.0) | 4 (1.6) | 0.783 | 1 (1.6) | 4 (5.4) | 0.373 |
Grade IIIb | 0 (0) | 4 (1.6) | 0.057 | 0 (0) | 4 (5.4) | 0.123 |
Grade IVa | 0 (0) | 0 (0) | – | 0 (0) | 0 (0) | – |
Grade IVb | 0 (0) | 0 (0) | – | 0 (0) | 0 (0) | – |
Grade V | 0 (0) | 1 (0.4) | 0.490 | 0 (0) | 1 (1.4) | 0.351 |
Complication requiring major intervention (≥ grade IIIa) | 5 (2.0) | 9 (3.7) | 0.287 | 1 (1.6) | 9 (12.2) | 0.020 |
Mortality within 30 days | 0 (0) | 1 (0.4) | 0.490 | 0 (0) | 1 (1.4) | 0.351 |
