From: Assessment of the effect of phenytoin on cutaneous healing from excision of melanocytic nevi on the face and on the back
Skin type under comparison
P value
I × II
0.296
I × III
0.018
I × (IV or V)
0.012
II × III
0.345
II × (IV or V)
0.165
III × (IV or V)
0.503