A Canadian Self-Administered Online Survey to Evaluate the Impact of Moderate-to-Severe Psoriasis among Patients

Wasel, Norman; Poulin, Yves; Andrew, Robin; Chan, Daphne; Fraquelli, Elisa; Papp, Kim
November 2009
Journal of Cutaneous Medicine & Surgery;Nov/Dec2009, Vol. 13 Issue 6, p294
Academic Journal
Background: Few population studies of individuals living with psoriasis have been performed in Canada. Objective: The objective of this survey was to understand the severity and impact of psoriasis on the lives of Canadian patients. Methods: An online survey was conducted using a consumer panel. Eligible subjects reported a diagnosis of psoriasis and provided a self-reported level of severity. In addition, subjects had to either (a) have psoriasis covering at least 3% of their body surface area; (b) have psoriasis on a sensitive area of the body; or (c) be currently undergoing treatment for their psoriasis with systemic medication and/or phototherapy. Results: A total of 514 panelists met the inclusion criteria and completed the survey. Current moderate, severe, or very severe psoriasis was reported by 65% of respondents. Nearly all subjects (96%) had psoriasis affecting a sensitive area of the body. At the time of the survey, 18% were taking systemic medication and/or phototherapy. Comorbidities, such as obesity and high blood pressure, were highly prevalent, with 75% of respondents reporting at least one other diagnosis. Data from the SF-8 and Dermatology Life Quality Index instruments indicated that psoriasis negatively impacted quality of life. Conclusion: Moderate-to-severe psoriasis places a burden on Canadian patients, some of whom may be receiving suboptimal treatment or treatment not appropriate for the severity of their condition.


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