Table 2. Demographic and Clinical Factors in Patients 20 Years or Older With Psoriasis in the US.
| Category | Psoriasis prevalence, % (95% CI) |
|---|---|
| Overall | 3.0 (2.6-3.4) |
| Sex | |
| Women | 3.2 (2.6-3.8) |
| Men | 2.8 (2.4-3.3) |
| Age, y | |
| 20-29 | 1.6 (0.9-2.2) |
| 30-39 | 2.9 (2.0-3.8) |
| 40-49 | 3.0 (1.6-4.3) |
| 50-59 | 4.3 (2.8-5.7) |
| 60-69 | 2.7 (1.8-3.7) |
| ≥70 | 3.9 (2.6-5.1) |
| Race/ethnicity | |
| Non-Hispanic White | 3.6 (2.9-4.2) |
| Non-Hispanic Black | 1.5 (1.0-2.0) |
| Non-Hispanic Asian | 2.5 (1.6-3.3) |
| Hispanic | 1.9 (1.3-2.5) |
| Non-Hispanic other (including multiracial) | 3.1 (1.2-5.1) |
| Psoriasis severity | |
| Little or no psoriasis | 56.0 (48.8-63.1) |
| Only a few patches (1-2 palms) | 21.8 (15.0-28.5) |
| Scattered patches (3-10 palms) | 16.0 (9.0-23.0) |
| Extensive psoriasis (>10 palms) | 5.5 (2.3-8.7) |