| Age group GIST | Female | Male | Total |
| 23 - 45 years old | 6 (19%) | 6 (19%) | 12 (38%) |
| 46 - 68 years old | 14 (44%) | 6 (19%) | 20 (63%) |
| Total | 20 (63%) | 12 (38%) | 32 (100%) |