The scale is based on the following definitions:
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Worse:
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Exacerbation of either erythema or quantitative assessment of papules and/or pustules.
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No Change:
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Condition remains the same.
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Minimal Improvement:
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Slight improvement in the quantitative assessment of papules and/or pustules, and/or slight improvement in erythema.
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Definite Improvement:
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More pronounced improvement in the quantitative assessment of papules and/or pustules, and/or more pronounced improvement in erythema.
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Marked Improvement:
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Obvious improvement in the quantitative assessment of papules and/or pustules, and/or obvious improvement in erythema.
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Clear:
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No papules or pustules and minimal residual or no erythema.
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