Table 1 Parameters used to evaluate the clinical score of infection and degree of recovery

Absence of scabs and/or mites

0

Irritation in ear canal but no mites observed

0.5

Small number of scabs in the ear canal, mites present

1

External ear canal filled with scabs, mites present

2

Scabs in ear canal and proximal 1/4 of pinna, mites present

3

1/2 pinna filled with scabs, mites present

4

3/4 of the pinna filled with scabs, mites present

5

All internal surface of the pinna full of scabs, mites present

6