Table 1 Baseline characteristics of patients analyzed with tissue samples.
Characteristics | Success (N = 65) | Failure (N = 17) | P value |
|---|---|---|---|
Age (years) | |||
>65 | 32 (49.2%) | 10 (58.8%) | 1.00 |
≤65 | 33 (50.8%) | 7 (41.2%) | |
Sex | |||
Male | 37 (56.9%) | 9 (52.9%) | 1.00 |
Female | 28 (43.1%) | 8 (47.1%) | |
Primary site of tumor | |||
Stomach | 26 (40.0%) | 9 (52.9%) | 0.112 |
Small intestine | 31 (47.4%) | 5 (29.4%) | |
Rectum | 3 (4.6%) | 3(17.6%) | |
Others | 5 (7.7%) | 0 | |
Specimen collection methods | |||
Biopsy | 9 (13.8%) | 5 (29.4%) | 0.234 |
Surgical resection | 53 (81.5%) | 12 (70.6%) | |
Others | 3 (4.6%) | 0 | |
Specimen collection sites | |||
Primary lesion | 46 (70.8%) | 7 (41.2%) | 0.047 |
Metastatic lesion | 19 (29.2%) | 10 (58.8%) | |
Liver | 11 | 6 | |
Peritoneum | 6 | 3 | |
Lung | 1 | 0 | |
Bone | 0 | 1 | |
Skin | 1 | 0 | |
Prior targeted therapy | |||
Performed | 12 (18.5%) | 8 (47.1%) | 0.033 |
Not performed | 53 (81.5%) | 9 (52.9%) | |
