Comparison of Flow–Metabolic Ratio by Stage and Immunohistochemistry (n = 35)
| Parameter | Comparison | Median blood flow–to–SUVmax ratio | P |
| Tumor stage | Early vs. late | 5.55 vs. 3.89 | 0.19 |
| Tumor size | <4 cm vs. ≥4 cm | 4.70 vs. 4.31 | 0.48 |
| CD105 expression | Low vs. high | 4.94 vs. 4.00 | 0.63 |
| VEGF expression | Negative vs. positive | 5.98 vs. 3.65 | 0.01* |
| Glut-1 expression | Negative vs. positive | 3.90 vs. 4.59 | 0.56 |
| HIF-1α expression | Negative vs. positive | 5.48 vs. 3.63 | 0.04* |
↵* Significant at 5% level.