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Patients characteristics (N=131)
| No. of Patients | % | |
|---|---|---|
| Age onset | ||
| Adult (≥ 30 years) | 106 | 81.0 |
| Young adult (≥ 18 and < 30 years) | 4 | 16.0 |
| Children (<18 years) | 21 | 4.0 |
| Sex | ||
| Male | 70 | 53.5 |
| Female | 61 | 46.5 |
| Tumor site | ||
| Small bowel | 57 | 76.5 |
| Stomach | 42 | 15.0 |
| Other | 32 | 8.5 |
| Mutational status | ||
| KIT Exon 11 | 66 | 50.5 |
| KIT Exon 9 | 23 | 17.5 |
| KIT Exon 13 | 1 | 0.5 |
| PDGFRA | 9 | 7.0 |
| Wild-type | 32 | 24.5 |
| Treatment status | ||
| Imatinib-naïve | 78 | 59.5 |
| Imatinib-responsive | 10 | 7.5 |
| Imatinib-resistant | 43 | 33.0 |
