The Japanese Journal of Dermatology
Online ISSN : 1346-8146
Print ISSN : 0021-499X
ISSN-L : 0021-499X
Original Articles
Reliability of Japanese Self-Administered PASI in Clinical Evaluation of Psoriasis and its Relationship to the QOL Related Index
Osamu FukuchiArihito OhtaTakaoki IshijiMariko HondaRyoichi KamideHidemi NakagawaMayumi KomineTomonori Hasegawa
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2007 Volume 117 Issue 12 Pages 1969-1976

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Abstract

In order to evaluate the clinical validity of the self-administered Psoriasis Area and Severity Index (Self-PASI),the patient’s self-reported index for psoriasis severity, we examined associations between Self-PASI and Self-BSA scores with PASI and BSA scores, the physician’s reported index, in 200 Japanese psoriasis patients. Furthermore, we examined the associations between those indices and the psoriasis-specific QOL related index (the Psoriasis Disability Index, PDI) and the comprehensive health-related QOL index (Short Form-36, SF-36). In a results, the correlation coefficients were found to be significant between the patients’ and physicians’ reported indices (0.65 for SAPASI and PASI, 0.69 for Self-BSA and BSA). The correlation coefficients for Self-BSA and BSA were high for the trunk, upper extremities, and lower extremities, but were low for the head. The PDI score has a higher association with Self-PASI and Self-BSA scores than did the PASI and BSA scores. However, compared to the PDI score, the SF-36 score had a lower association with SA-PASI and Self-BSA. In conclusion, the Self-PASI has been shown to be valid and useful in clinical practice for Japanese psoriasis patients.

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© 2007 Japanese Dermatological Association
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