Intratumor Heterogeneity in Glucose Metabolism on NG35% and ORG35% Images, by Histologic Subtype
| NG35% | ORG35% | |||||||||
| Significance | Significance | |||||||||
| Parameter | AC | SCC | SCLC | χ2 | P | AC | SCC | SCLC | χ2 | P |
| Entropy | 7.29 ± 0.28 | 7.70 ± 0.31 | 7.21 ± 0.26 | 2.9 | 0.2 | 7.31 ± 0.29 | 7.35 ± 0.29 | 7.24 ± 0.28 | 1.1 | 0.6 |
| Dissimilarity | 8.62 ± 1.76 | 9.00 ± 1.92 | 9.11 ± 2.57 | 0.93 | 0.6 | 8.92 ± 1.85 | 9.12 ± 2.07 | 9.57 ± 2.42 | 0.64 | 0.7 |
| Zone percentage | 0.85 ± 0.04 | 0.86 ± 0.05 | 0.85 ± 0.05 | 2.3 | 0.3 | 0.86 ± 0.05 | 0.86 ± 0.05 | 0.87 ± 0.05 | 0.65 | 0.7 |
| High-intensity emphasis | 519 ± 182 | 554 ± 156 | 483 ± 128 | 1.6 | 0.5 | 539 ± 195 | 561 ± 157 | 477 ± 134 | 1.4 | 0.5 |
AC = adenocarcinoma (n = 25); SSC = squamous cell carcinoma (n = 28); SCLC = small cell lung cancer (n = 7).
Data are mean ± SD.