Table 2.

p 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 p values (p < 0.05).