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BACKGROUND: There are limited data available on the economical burden of psoriasis and its impact on everyday life. OBJECTIVE: The aim of this study was to evaluate the impact of psoriasis on personal and professional life, and to evaluate the cost of psoriasis for the patient. METHODS: We performed a cross-sectional study in psoriasis patients. All patients aged >or=18 years with a diagnosis of plaque-psoriasis confirmed by a physician were included. A self-administered questionnaire evaluating everyday life was constructed with members of the French association of psoriasis patients. In addition, the Dermatology Life Quality Index (DLQI), Working Productivity and Activity Impairment and individual costs were assessed. RESULTS: A total of 590 patients completed the study. Mean age of the responders was 56 years. The mean DLQI score was 8.5 for patients with severe psoriasis vs. 6.4 for mild psoriasis. Global loss of productivity was 10.7% without significant difference according to the disease severity. Daily activities alteration was most important in patients with severe psoriasis. In this study, 36.8% of patients with severe psoriasis reported a negative impact on their professional life vs. 19.6% for patients with mild psoriasis (P = 0.002). Time devoted to phototherapy was on average 33 h/year/patient and the application of emollients took 25 h/year/patient; 47.3% of patients had a feeling to clean the house more often, in correlation with the severity of the disease. Mean out-of-pocket expenses for the disease was estimated to be 543 euro/year/patient. High impact of psoriasis on quality of life (DLQI >10), age <40 years and joint involvement were significantly associated with an increased risk of loss of work productivity. CONCLUSION: Psoriasis, particularly severe psoriasis, is a true burden for patients and impacts significantly everyday life and patient's economical resources.
Meyer et al. (Thu,) studied this question.