Table 1.
Clinicopathological characteristics of 48 patients with GIST.
| Characteristics | Number | No. of patients | P-value | ||
|---|---|---|---|---|---|
| Sensitive patients | Resistant patients | ||||
| Age (years) | ≥60 | 30 | 17 | 13 | 0.1387 |
| <60 | 18 | 14 | 4 | ||
| Gender | Male | 20 | 11 | 9 | 0.2407 |
| Female | 28 | 20 | 8 | ||
| Tumor size | >=5 cm | 16 | 9 | 7 | 0.3933 |
| <5 cm | 32 | 22 | 10 | ||
| Risk stratification | High risk | 48 | 31 | 17 | — |
| Primary mutation | KIT Exon 11 | 48 | 31 | 17 | — |
| Secondary mutation | Positive | 0 | 0 | — | |
| Negative | 0 | 11 | |||
| NA | 31 | 6 | |||
| Imatinib dose (mg/day) | 400 | 48 | 31 | 17 | — |
| Primary localization | Stomach | 33 | 21 | 12 | 0.8388 |
| Small intestine | 15 | 10 | 5 | ||
| Recurrence localization | Liver | 10 | 0 | 10 | — |
| Stomach | 5 | 0 | 5 | ||
| Small intestine | 2 | 0 | 2 | ||
| 18FDG-PET/CT | Positive | 8 | 3 | 5 | — |
| Negative | 3 | 2 | 1 | ||
| NA | 37 | 26 | 11 | ||
NA not available.