Table 3 Characteristics of GIST patients with different duration of preoperative IM therapy (n = 25)
Characteristics | Cases | Duration of IM therapy(months) | P value | |
|---|---|---|---|---|
≤ 8.96 | > 8.96 | |||
Age (years) (mean ± SD) | 25 | 51.29 ± 10.64 | 49.45 ± 15.06 | 0.725 |
Gender | Â | Â | Â | 0.973 |
 Male | 16 | 9 | 7 |  |
 Female | 9 | 5 | 4 |  |
Classify of preoperative therapy | Â | Â | Â | 1.000 |
 Locally advanced GISTs | 19 | 11 | 8 |  |
 Recurrent/metastasis GISTs | 6 | 3 | 3 |  |
Primary localization | Â | Â | Â | 0.350 |
 Stomach + small intestine | 19 | 12 | 7 |  |
 Rectum + pelvic/retroperitoneal | 6 | 2 | 4 |  |
Dose of IM therapy | Â | Â | Â | 1.000 |
 400 mg/day | 22 | 12 | 10 |  |
 600 mg/day | 3 | 2 | 1 |  |
Response to IM therapy (according toChoi criteria) | Â | Â | Â | 1.000 |
 PR | 24 | 13 | 11 |  |
 SD | 1 | 1 | 0 |  |