Pain: 5 items
Stiffness: 2 items
Physical function: 17 items
While the index was being developed, performance of social functions and the status of emotional function were also included. These were not included in the final instrument.
Social function: 7 items
Emotional function: 10 items
Scoring and Interpretation
Response
|
Points
|
none
|
0
|
slight
|
1
|
moderate
|
2
|
severe
|
3
|
extreme
|
4
|
Alternatively, a visual analogue scale (VAS) may be used, ranging from 0 to 10.
score =
= SUM(points for relevant items)
average score =
= (total score) / (number of items)
Interpretation:
• minimum total score: 0
• maximum total score: 96
• minimum pain subscore: 0
• maximum pain subscore: 20
• minimum stiffness subscore: 0
• maximum stiffness subscore: 8
• minimum physical function subscore: 0
• maximum physical function subscore: 68