The Bullous Pemphigoid Disease Activity Index (BPDAI) includes several measures of bullous pemphoid. One of these measures pigmentation. The authors are from multiple sites from around the world.
Patient selection: bullous pemphigoid
Sites:
(1) head
(2) neck
(3) chest
(4) left arm
(5) right arm
(6) hands
(7) abdomen
(8) genitals
(9) back and buttocks
(10) left leg
(11) right leg
(12) feet
Pigmentation
Points
none
0
present
1
total score =
= SUM(points for all 12 areas)
Interpretation:
• minimum pigmentation score: 0
• maximum pigmentation score: 12
The other measures in the BPDAI are scaled from 0 to 1, so one option is to divide the final score by 12.
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