Table 11: The statistics for lumen features and the results of Ftest. 
 Lumen Features  Normal (df = 79)  Grade 1 (df = 79)  Grade 2 (df = 79)  Ftests )  (C.I)  (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      AtypiaRatio      #AtypiaRegions      RMSAA      TSAV (rad)     


It indicates features whose null hypothesis was rejected with Fvalue > 2,237).
