Table 1 Detailed allocation number and specific information in the cross-validation set and external validation set
From: Intelligent identification system of gastric stromal tumors based on blood biopsy indicators
|  | Cross-validation set | External validation set | Total number | Age range (mean ± SD) | Male/Female |
|---|---|---|---|---|---|
Positive samples | 269 | 49 | 318 | 18–89(57.5 ± 12.1) | 177/141 |
Healthy samples | 173 | 26 | 199 | 23–79(49.0 ± 12.2) | 107/92 |
Gastric polyps | 158 | 22 | 180 | 18–87(56.2 ± 12.2) | 55/125 |