Table 4.

Variation among the transformation attributes.

	p-values
Attribute	Comparison between treatments
	Day 1	Day 2	General	Comparison between days
1—Hyperkeratosis	0.052	0.131	0.015	0.868
2—Parakeratosis	0.064	0.089	0.012	0.629
3—Desquamation of the stratum corneum and corneocyte cohesion	0.788	0.760	0.681	0.837
4—Cellular atypia in the viable epidermis	0.141	0.618	0.164	0.639
5—Dyskeratosis	0.000	0.001	<0.0001	0.475
6—Inflammatory (dendritic) cells in the epidermis	0.417	0.685	0.384	0.674
7—Nuclear pleomorphism in the stratum espinosum	0.012	0.016	0.000	0.902
8—Atypical keratinocytes with follicular coverage	0.287	0.118	0.064	0.978
9—Poorly defined boundaries between keratinocytes	0.064	0.176	0.021	0.857
10—Inflammatory cells in the basal layer	0.031	0.034	0.002	0.989
11—Cellular apoptosis in the viable epidermis	0.127	0.487	0.113	0.517
12—Fibers around the dermal papillae	0.043	0.143	0.014	0.638
13—Papillary irregularity	0.046	0.090	0.009	0.967
14—Rounding of blood vessels in the papillary dermis	0.014	0.024	0.001	0.645
15—Melanocytes clustered in the dermis	0.099	0.099	0.021	0.837
16—Solar elastosis	0.466	0.818	0.501	0.848
18—Dermal Nests	0.942	0.543	0.604	0.672

^*The attribute 17 (brain-like, finger-like appearance) had all values 0.000, so they were omitted. In bold are the p-values <0.05.