Table 2.
Cutaneous comorbidities of hidradenitis suppurativa (HS), N = 20,112
| Comorbidities | Prevalence | p (χ2) | |||
|---|---|---|---|---|---|
| People without HS (n = 20,055) | People with HS (n = 57) | ||||
| n | % | n | % | ||
| Acne vulgaris | 503 | 2.51 | 7 | 12.28 | 0.000 |
| Atopic dermatitis | 360 | 1.80 | 1 | 1.75 | 0.982 |
| Dermatitis of intertrigines | 85 | 0.42 | 0 | 0.00 | 0.622 |
| Exsiccation eczema | 618 | 3.08 | 1 | 1.75 | 0.562 |
| Hand eczema | 129 | 0.64 | 1 | 1.75 | 0.296 |
| Contact dermatitis | 22 | 0.11 | 0 | 0.00 | 0.802 |
| Psoriasis | 421 | 2.10 | 4 | 7.02 | 0.010 |
| Rosacea | 409 | 2.04 | 0 | 0.00 | 0.276 |
| Seborrhoeic dermatitis | 657 | 3.28 | 8 | 14.04 | 0.000 |
| Excoriations | 159 | 0.79 | 2 | 3.51 | 0.022 |
| Folliculitis | 1796 | 8.96 | 15 | 26.32 | 0.000 |
| Pyoderma | 10 | 0.05 | 0 | 0.00 | 0.866 |