Table 11: The statistics for lumen features and the results of F-test.

Lumen Features Normal   (df = 79) Grade 1  (df = 79)Grade 2  (df = 79)F-tests )
(C.I) (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
AtypiaRatio
#AtypiaRegions
RMSAA
TSAV  (rad)

It indicates features whose null hypothesis was rejected with F-value > 2,237).