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Arthritis Rheum. 2008 Mar 15;59(3):338-44. doi: 10.1002/art.23319.

The Cutaneous Lupus Erythematosus Disease Activity and Severity Index: expansion for rheumatology and dermatology.

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1
University of Pennsylvania School of Medicine, Philadelphia, PA, USA.

Abstract

OBJECTIVE:

To evaluate the validity of the Cutaneous Lupus Erythematosus Disease Area and Severity Index (CLASI) for use by rheumatologists via reliability testing, and to extend the validation for dermatologists.

METHODS:

Fourteen subjects with cutaneous lupus erythematosus (CLE; n = 10), a mimicker skin disease only (a cutaneous lesion that may appear clinically similar to CLE; n = 1), or both (n = 3) were rated with the CLASI by academic-based dermatologists (n = 5) and rheumatologists (n = 5).

RESULTS:

The dermatology intraclass correlation coefficient (ICC) was 0.92 for activity and 0.82 for damage; for rheumatology the ICC was 0.83 for activity and 0.86 for damage. For intrarater reliability, the dermatology Spearman's rho was 0.94 for activity and 0.97 for damage; for rheumatology the Spearman's rho was 0.91 for activity and 0.99 for damage.

CONCLUSION:

Our data confirm the reliability of the CLASI when used by dermatologists and support the CLASI as a reliable instrument for use by rheumatologists.

PMID:
18311759
DOI:
10.1002/art.23319
[Indexed for MEDLINE]
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