Table 1.
Patients characteristics
| Total | (N = 534) |
|---|---|
| Age (median, IQR; years) | 65 (56–72) |
| Gender | |
| Male | 294 (55%) |
| Female | 240 (45%) |
| PS | |
| 0 | 447 (84%) |
| 1 | 76 (14%) |
| 2 | 4 (1%) |
| 3 | 3 (1%) |
| Unavailable | 4 (1%) |
| Location | |
| Esophagus | 7 (1%) |
| Stomach | 318 (60%) |
| Small intestine | 163 (31%) |
| Colon and rectum | 32 (6%) |
| Others | 14 (3%) |
| Neoadjuvant therapy | |
| (−) | 475 (89%) |
| (+) | 59 (11%) |
| Surgery | |
| Open | 387 (72%) |
| Laparoscopic | 147 (28%) |
| Curability of surgery | |
| R0 | 517 (97%) |
| R1 | 17 (3%) |
| Tumor size (cm; n = 533) | 7.5 (5.5–11.3) (median, IQR) |
| Unknown | 1 |
| Mitosis (/50HPF; n = 497) at local 10 (5–23) (median, IQR) | |
| Unknown | 38 |
| Tumor rupture | |
| No | 459 (86%) |
| Yes | 66 (12%) |
| Preoperative | 33 (6%) |
| Intraoperative | 29 (5%) |
| Unknown | 9 (2%) |
| Histological types | |
| Spindle | 446 (84%) |
| Epithelioid | 17 (3%) |
| Mixed | 46 (9%) |
| Unavailable | 25 (5%) |
| Genotyping | |
| KIT | 457 (86%) |
| PDGFRA | 18 (3%) |
| Wild type | 36 (7%) |
| Unavailable | 22 (4%) |