Table 10: The statistics for nonepithelial nuclei features and the results of F-test.

Lumen featuresNormal (df = 79)Grade 1 (df = 79)Grade 2 (df = 79)F-tests ( )
  (C.Ia)   (C.I)   (C.I)F-value

Area (μm2)
Perimeter (μm)
Width (μm)
Height (μm)
MajorAxis (μm)
MinorAxis (μm)
Circularity
Feret’s diameter (μm)
Skewness
AspectRatio
Roundness
Solidity

C.Ia: confidence interval.
*It indicates features whose null hypothesis was rejected with F-value > (2,237).