An Application for Skin Macules Characterization Based on a 3-Stage Image-Processing Algorithm for Patients with Diabetes

Table 2

values for the differences among features data distribution for each macule relation.

Macule	Petechiae vs vascular	Petechiae vs trophic changes	Petechiae vs trauma	Vascular vs trophic changes	Vascular vs trauma	Trophic changes vs trauma
Morphologic properties
Area	0.0001	0.0001	0.043	0.0001	0.002	0.986
Major axis	0.0001	0.0001	0.006	0.0001	0.012	0.043
Minor axis	0.0001	0.0001	0.001	0.0001	0.003	0.916
Perimeter	0.0001	0.0001	0.005	0.0001	0.011	0.044
Solidity	0.003	0.005	0.080	0.457	0.054	0.036
Intensity properties
Maximum intensity	0.129	0.059	0.776	0.406	0.026	0.015
Minimum intensity	0.0001	0.002	0.002	0.343	0.632	0.682
Shade index
ShIR	0.0001	0.023	0.0001	0.598	0.038	0.373
ShIG	0.024	0.157	0.0001	0.668	0.004	0.035
ShIB	0.104	0.435	0.0001	0.448	0.001	0.003
ShIBR	0.004	0.072	0.0001	0.899	0.001	0.035

Statistically significant values ().