Time interval evaluated: past 6 months
Scales:
(1) descriptor for itch sensation
(2) affective for impact
Descriptor scale elements:
(1) tickling
(2) stinging
(3) crawling like ants
(4) stabbing
(5) pinching
(6) burning
Affective scale:
(1) bothersome
(2) annoying
(3) unbearable
(4) worrisome
Response for Each Item
|
Points
|
none
|
0
|
mild
|
1
|
moderate
|
2
|
severe
|
3
|
where:
• The scales could be modified by increasing the response levels such as minimal or extreme.
total score for descriptor scale =
= SUM(points for all 6 items)
total scale for affective scale =
= SUM(points for all 4 items)
Interpretation:
• minimum scale scores: 0
• maximum descriptor scale: 18
• maximum affective scale: 12
• The higher the scale values the more intense the pruritus and the greater its impact.