Table 2 Comparison of the texture parameters of pathologically metastasis-positive and metastasis-negative lateral pelvic lymph nodes
pLPLN ( +) (n = 15) | pLPLN ( −) (n = 25) | p value | ||
|---|---|---|---|---|
Conventional parameters | ||||
HU min | 121.06 ± 18.26 | 130.73 ± 26.27 | 0.148 | |
HU mean | 21.54 ± 6.17 | 27.65 ± 6.71 | 0.012 | |
HU std | 173.40 ± 27.76 | 175.36 ± 26.67 | 0.386 | |
HU max | 106.79 ± 22.33 | 110.99 ± 29.09 | 0.665 | |
Histogram-based parameters | ||||
Skewness | 3.57 ± 2.77 | 2.73 ± 0.76 | 0.201 | |
Kurtosis | 0.57 ± 2.77 | -0.27 ± 0.76 | 0.201 | |
Entropy_log10 | 3.00 ± 0.42 | 3.18 ± 0.32 | 0.156 | |
Entropy_log2 | 0.15 ± 0.05 | 0.13 ± 0.03 | 0.173 | |
Energy | 1126.56 ± 18.44 | 1136.12 ± 26.39 | 0.164 | |
Shape-based parametersHAPE | ||||
Volume(ml) | 263.07 ± 334.62 | 75.60 ± 54.81 | 0.015 | |
Sphericity | 6.60 ± 25.56 | 7.08 ± 35.40 | 0.767 | |
GLCM | ||||
Homogeneity | 0.04 ± 0.02 | 0.04 ± 0.01 | 0.783 | |
Energy | 4.70 ± 5.73 | 6.91 ± 4.60 | 0.004 | |
Contrast | 0.55 ± 0.18 | 0.50 ± 0.15 | 0.140 | |
Correlation | 1.54 ± 0.20 | 1.53 ± 0.14 | 0.472 | |
Entropy_log10 | 5.11 ± 0.68 | 5.09 ± 0.46 | 0.472 | |
Entropy_log2 | 1.51 ± 0.81 | 1.95 ± 0.66 | 0.002 | |
Dissimilarity | 0.84 ± 0.07 | 0.88 ± 0.05 | 0.119 | |