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Int J Dermatol. 2000 Dec;39(12):913-8.

Clinical evaluation of a more rapid and sensitive Psoriasis Assessment Severity Score (PASS), and its comparison with the classic method of Psoriasis Area and Severity Index (PASI), before and after climatotherapy at the Dead-Sea.

Author information

1
DMZ-MOR Rehabilitation Clinic, Ein-Bokek (The Dead-Sea), Israel. harari@netmedia.net.il

Abstract

BACKGROUND:

The Psoriasis Area and Severity Index (PASI) is used to quantify the extent of the disease, and to evaluate its improvement with treatment. It is considered to be a slow, rough, nonsensitive, and complex tool, with high interobserver variability and low reproducibility.

OBJECTIVES AND METHODS:

To develop a simpler, more sensitive, and more rapid end-point determination for evaluating the psoriatic condition, and to compare its sensitivity with that of the classic PASI score in psoriatic patients undergoing 4-week climatotherapy at the Dead-Sea (Israel).

RESULTS:

This study describes a new, rapid, and simple Psoriasis Assessment Severity Score (PASS), whose readings are spread over a longer scale, making the test more sensitive than PASI, and allow better differentiation.

CONCLUSIONS:

The comparison between the classic PASI and our new PASS emphasizes the weight of the "sensitivity to change" (responsivity) in selecting a better evaluation method for psoriatic patients.

[Indexed for MEDLINE]

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