Table 1: Allocation of the dogs between the vehicle group and dimethicone group according to age, onset of disease, length of the coat, and sex. Based on these parameters, the distribution was homogeneous between the two groups.

ParameterVehicle group ( )Dimethicone group ( )

Age at study onset
 1–3 years 24
 4–6 years21
 7–10 years45
Onset of disease
<2 years 13
>2 years 77
Length of the coat
 Short coat87
 Long coat03
 Male 34
 Female 56