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. 2005 Oct 14;5:10. doi: 10.1186/1471-5945-5-10

Table 3.

Severity of psoriasis, measured as number of locations affected at examination

Males Females
N sum of locations N sum of locations
average/median average/median
302 members/probands 110 5.1/5 192 3.9/4
237 siblings/not members 135 2.8/3 102 2.3/2
All 539 with psoriasis 245 3.9/4 294 3.4/3

Male members of the psoriasis association have a more extended skin disease than females. Non members with psoriasis have fewer locations affected.