Table 1. Baseline characteristics of patients in the full analysis set.
| (n=53) | |
|---|---|
|
Country | |
| Japan | 32 (60%) |
| Korea | 21 (40%) |
|
Age (years) | |
| Median | 69 |
| Range | 43–79 |
| IQR | 62–73 |
|
Sex | |
| Male | 24 (45%) |
| Female | 29 (55%) |
|
ECOG performance status | |
| 0 | 28 (53%) |
| 1 | 25 (47%) |
|
Tumour size (cm) | |
| Median | 12.0 |
| Range | 10.0–23.0 |
| IQR | 10.4–15.7 |
|
Sampling method used to obtain tumour tissue | |
| Endoscopic standard biopsy | 24 |
| EUS-FNA | 28 |
| Percutaneous biopsy | 1 |
|
Genotyping | |
| KIT exon 11 | 47 (89%) |
| Wild-type KIT and PDGFRA | 2 (4%) |
| Not available | 4 (8%) |
Abbreviations: IQR=interquartile range; ECOG=Eastern Cooperative Oncology Group; EUS-FNA=endoscopic ultrasound-guided fine-needle aspiration.