Psoriasis Area and Severity Index (PASI)
Quantifies severity of psoriasis.
When to Use
Pearls/Pitfalls
Why Use
Head/neck
None
Slight
Moderate
Severe
Very severe
None
Slight
Moderate
Severe
Very severe
None
Slight
Moderate
Severe
Very severe
0%
1-9%
10-29%
30-49%
50-69%
70-89%
90-100%
Upper limbs
None
Slight
Moderate
Severe
Very severe
None
Slight
Moderate
Severe
Very severe
None
Slight
Moderate
Severe
Very severe
0%
1-9%
10-29%
30-49%
50-69%
70-89%
90-100%
Trunk
None
Slight
Moderate
Severe
Very severe
None
Slight
Moderate
Severe
Very severe
None
Slight
Moderate
Severe
Very severe
0%
1-9%
10-29%
30-49%
50-69%
70-89%
90-100%
Lower limbs
None
Slight
Moderate
Severe
Very severe
None
Slight
Moderate
Severe
Very severe
None
Slight
Moderate
Severe
Very severe
0%
1-9%
10-29%
30-49%
50-69%
70-89%
90-100%
Result:
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