Table 4.

Result of Tukey HSD (honest significant difference) to compare substrates of lesions

Pairs of substrates	Difference	Lower CI	Upper CI	p
Moderately deep-Superficial	1	0.5	1.5	<0.001
Deep-Superficial	1.6	1.1	2.1	<0.001
Deep-Moderately deep	0.6	0.3	0.9	<0.001