From: Radiogenomic analysis of vascular endothelial growth factor in patients with diffuse gliomas
| Training (n = 160) | Validation (n = 79) | p value | |
|---|---|---|---|
| Age (years; mean) | 43.0 | 42.5 | 0.736a |
| Sex (male/female) | 104/56 | 53/26 | 0.749b |
| Grade II/Grade III/Grade IV | 75/43/42 | 39/23/17 | 0.725b |
| Low VEGF/High VEGF | 63/97 | 27/52 | 0.435b |
| Tumor location left/right | 87/73 | 42/37 | 0.860b |