Table 4. Histology-specific associations with imaging metrics.
| Metric | AC (N=33), median (SD) | SCC (N=26), median (SD) | P value |
|---|---|---|---|
| MTV | 12.8 (25.7) | 15.4 (55.1) | 0.26 |
| SUVmax | 8.79 (5.59) | 17.0 (7.05) | 0.002 |
| SUVpeak | 5.08 (4.66) | 12.69 (5.40) | 0.001 |
| SUVmean | 3.73 (2.48) | 7.05 (2.92) | 0.0007 |
| TLG | 41.9 (167.6) | 67.6 (481) | 0.05 |
| Homogeneity | 0.015 (0.0003) | 0.01 (0.0005) | 0.03 |
| Entropy-GLCM | 4.24 (0.01) | 4.23 (0.02) | 0.01 |
| Dissimilarity | 39.1 (3.3) | 39.5 (3.28) | 0.7 |
MTV, metabolic tumor volume; SUV, standardized uptake value; TLG, total lesion glycolysis; GLCM, grey-level co-occurrence matrix; AC, adenocarcinoma; SCC, squamous cell carcinoma.