Table 3.

Selected Features with Descriptions of the Low– and High–Mitotic Count Groups

Feature Name	Description
Intensity values range	Represents the range of intensity values
Sphericity	Measures the shape in the ROI
Voxel value sum	Represents the sum calculations for voxels in the ROI
Uniformity	Represents a histogram parameter
Inverse difference moment_AllDirection_offset1_SD	Inverse difference moment is the local homogeneity.
Inverse difference moment_angle0_offset4
Inverse difference moment_angle45_offset4
Inverse difference moment_angle90_offset4
Inverse difference moment_angle135_offset4
Inverse difference moment_angle0_offset7
Inverse difference moment_angle90_offset7
Correlation_angle135_offset7	Correlation measures the similarity of the gray levels in neighboring pixels
Long run high gray level emphasis_All Direction_offset1_SD	Represents a feature of gray level run-length matrix
Short run emphasis_All Direction_offset4_SD	Represents a feature of gray level run-length matrix

Note: Suffix of “0,” “45,” “90,” and “135” means the directions of gray-level matrix directions.