Table 1. Characteristics of HS ProCARE Patients.
| Characteristic | No. (%) |
|---|---|
| Age at enrollment, y | |
| 0-18 | 81 (11.2) |
| 19-30 | 222 (30.8) |
| 31-50 | 318 (44.2) |
| >50 | 99 (13.8) |
| Body mass indexa | |
| <18.5 | 4 (0.6) |
| 18.5-24.9 | 93 (12.9) |
| 25.0-29.9 | 151 (21.0) |
| 30.0-39.9 | 307 (42.6) |
| 40-49.9 | 122 (16.9) |
| ≥50 | 43 (6.0) |
| Sex | |
| Female | 574 (79.7) |
| Male | 146 (20.3) |
| Race and ethnicity | |
| American Indian/Alaska Native | 5 (0.7) |
| Asian | 13 (1.8) |
| Black | 359 (49.9) |
| Black + Hispanic | 1 (0.1) |
| Hispanic | 21 (2.9) |
| Middle Eastern/Egyptian | 3 (0.4) |
| White | 308 (42.8) |
| White + Asian | 1 (0.1) |
| White + Black | 8 (1.1) |
| White + Hispanic | 1 (0.1) |
| Smoking status | |
| Current | 146 (20.3) |
| Former | 47 (6.5) |
| Never | 527 (73.2) |
| Hurley stage | |
| I | 106 (14.7) |
| II | 350 (48.6) |
| III | 264 (36.8) |
| Affected relatives | |
| 1st Degree | 351 (48.8) |
| 2nd Degree | 175 (24.3) |
| 1st and 2nd Degree | 115 (16.0) |
| 3rd Degree or no relatives | 309 (42.9) |
| Phenotype | |
| Regular | 502 (69.7) |
| Frictional furuncle | 42 (5.8) |
| Scarring folliculitis | 88 (12.2) |
| Conglobata | 44 (6.1) |
| Syndromic | 43 (6.0) |
| Ectopic | 1 (0.1) |
Abbreviation: HS ProCARE, Hidradenitis Suppurativa Program for Research and Care Excellence.
a
Calculated as weight in kilograms divided by height in meters squared.