Noninvasive prediction of microsatellite instability in stage II/III rectal cancer using dynamic contrast-enhanced magnetic resonance imaging radiomics

Table 2 Textural features and tumor heterogeneity, mean ± SD

Feature	MSI-H (n = 30)	MSS/MSI-L (n = 90)	P value
Entropy	7.84 ± 0.92	6.39 ± 0.83	0.004
Uniformity	0.17 ± 0.05	0.26 ± 0.07	0.003
Contrast	223.6 ± 48.3	175.2 ± 39.5	0.007
Dissimilarity	12.8 ± 2.6	9.4 ± 2.1	0.005
Homogeneity	0.42 ± 0.08	0.55 ± 0.09	< 0.001
Energy	0.08 ± 0.02	0.12 ± 0.03	< 0.001
Correlation	0.35 ± 0.10	0.50 ± 0.12	< 0.001
ASM	0.06 ± 0.01	0.09 ± 0.02	< 0.001

ASM: Angular second moment; MSI-H: Microsatellite instability-high; MSS: Microsatellite stability; MSI-L: Microsatellite instability-low.