Table 1 Within each volume stratum, the Kolmogorov-Smirnov test was used to discern potential differences between lymph node status groups for each of the heterogeneity metrics
Volume (in cc) | Shannon entropy ( S) | Sphericity ( ψ) | Spherical extent ( ξ) |
|---|---|---|---|
4.0 ≤ V < 22.4 | D = 0.227; p = 0.886 | D = 0.355; p = 0.390 | D = 0.200; p ≤ 0.985 |
22.4 ≤ V < 32.8 | D = 0.548; p ≤ 0.102 | D = 0.471; p ≤ 0.222 | D = 0.269; p ≤ 0.865 |
32.8 ≤ V < 52.8 | D = 0.173; p = 0.987 | D = 0.500; p ≤ 0.168 | D = 0.539; p = 0.078 |
52.8 ≤ V < 185.1 | D = 0.364; p = 0.479 | D = 0.182; p ≤ 0.993 | D = 0.273; p ≤ 0.808 |