Table 10: The statistics for nonepithelial nuclei features and the results of Ftest. 
 Lumen features  Normal (df = 79)  Grade 1 (df = 79)  Grade 2 (df = 79)  Ftests ()  (C.I^{a})  (C.I)  (C.I)  Fvalue 
 Area (μm^{2})      Perimeter (μm)      Width (μm)      Height (μm)      MajorAxis (μm)      MinorAxis (μm)      Circularity      Feret’s diameter (μm)      Skewness      AspectRatio      Roundness      Solidity     


C.I^{a}: confidence interval.
*It indicates features whose null hypothesis was rejected with Fvalue > (2,237).
