Table 1. Hurley classification.

The information in this table is taken from Horváth et al. [18]. This article is open access and is published under CC-BY-NC licenses.

Stages	Interpretation
Stage I (mild)	Single or multiple abscesses without sinus tracts or scarring
Stage II (moderate)	Recurrent abscesses with sinus tracts and scarring, widely separated lesions
Stage III (severe)	Diffuse skin involvement with multiple interconnected sinus tracts and abscesses