Fig. 5.

Consequences of diagnosis delay regarding surgery history and current concomitant diseases. a Percentage of patients in the 3 patient groups with different delay in diagnosis who underwent surgical interventions before study enrollment (n = 394, p value of chi-square test). b Number of surgically treated sites (mean ± SEM) per patient before study enrollment in the 3 patient groups with different delays in diagnosis (n = 391, p value of ANOVA). c Number of concomitant diseases (mean ± SEM) per patient at time of study enrollment in the 3 patient groups with different delays in diagnosis (n = 394, p value of ANOVA). HS, hidradenitis suppurativa.