Table 1.
Main characteristics of the 405 patients with Psoriasis.
| Gender (male/female) | 210 (54%)/195(46%) |
| Mean age (years ± SD)* | 47 ± 16 |
| Type of psoriasis | |
| Vulgaris | 324 (80%) |
| Palmoplantar | 49 (12%) |
| Guttate | 16 (4%) |
| other | 16 (4%) |
| Cw6+ | 158 (39%) |
| Affected relatives (familial Ps) |
219 (54%) |
| Early-onset psoriasis# | 243 (60%) |
| Mean age (years ± SD)* | 34 ± 14 |
| Cw6+ | 124 (51%) |
| Late-onset psoriasis# | 162 (40%) |
| Mean age (years ± SD)* | 59 ± 9 |
| Cw6+ | 34 (21%) |
| Non-severe Ps (PASI < 10)* | 243 (60%) |
| Severe Ps (PASI ≥ 10)* | 162 (40%) |
| Arthritis | 89 (22%) |
| Non-Arthritis | 316 (78%) |
#Early onset psoriasis, age ≤40 years; Late onset psoriasis, age>40 years.
* SD, standard deviation; PASI, Psoriasis Area and Severity Index.